Business Acquisition [Axis] Business Acquisition [Axis] Revision of Prior Period [Axis] Revision of Prior Period [Axis] Schedule of Cash, Cash Equivalents and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Related Party Transactions [Abstract] Long-term debt, gross Debt outstanding Long-Term Debt, Gross Property, Plant and Equipment [Abstract] BioTown Biogas LLC (“Biotown”) BioTown Biogas LLC (“Biotown”) [Member] BioTown Biogas LLC (“Biotown”) Debt Instrument [Axis] Debt Instrument [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Net loss attributable to non-redeemable non-controlling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Fair value of debt Debt Instrument, Fair Value Disclosure Sponsor specific transaction costs Business Acquisition, Transaction Costs, Sponsor Business Acquisition, Transaction Costs, Sponsor Fair value measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Other (expense) income: Other Income and Expenses [Abstract] Additional paid-in capital Additional Paid in Capital Basis spread on permanent loan Debt Instrument, Basis Spread on Variable Rate Depreciation Depreciation Future Minimum Lease Payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Interest rate on loan Debt Instrument, Interest Rate, Stated Percentage Effect of Derivative Instruments on Statement of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Preferred stock conversion, first year discount Preferred Stock, Conversion, First Year Discount, Percentage Preferred Stock, Conversion, First Year Discount, Percentage Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding Capital spares Increase (Decrease) in Finished Goods and Work in Process Inventories Amortization of PPA liability Amortization Of Power Purchase Agreement Liability Amortization Of Power Purchase Agreement Liability Measurement Input Type [Domain] Measurement Input Type [Domain] Antidilutive shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Document Information [Line Items] Document Information [Line Items] Distributions to members Payments of Distributions to Affiliates Interest capitalized Interest Paid, Capitalized, Investing Activities Sponsor Sponsor Members [Member] Sponsor Members Equity Component [Domain] Equity Component [Domain] Preferred stock dividend rate if failed to redeem, maximum Preferred Stock, Dividend Rate If Failed To Redeem, Maximum Preferred Stock, Dividend Rate If Failed To Redeem, Maximum Asset retirement obligation, measurement input Asset Retirement Obligation, Measurement Input Asset Retirement Obligation, Measurement Input Subsequent Event Type [Domain] Subsequent Event Type [Domain] Discount rate Measurement Input, Discount Rate [Member] Secured Debt OPAL Term Loan OPAL Term Loan Secured Debt [Member] Minimum of environmental attributes to be sold, percentage Supply Commitment, Plan To Sell, Minimum Percentage Supply Commitment, Plan To Sell, Minimum Percentage Derivatives designated as economic hedges: Not Designated as Hedging Instrument, Economic Hedge [Member] Investment, Name [Domain] Investment, Name [Domain] Financing costs paid to other third parties Payments of Financing Costs Related Party [Domain] Related Party [Domain] Standby Letters of Credit Standby Letters of Credit [Member] Hedging Designation [Domain] Hedging Designation [Domain] Dividend yield Measurement Input, Expected Dividend Rate [Member] Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Senior Secured Credit Facility, term loan Long-Term Line of Credit Percentage of revenue based distributions of note receivable Financing Receivable, Percentage Of Revenue Based Distributions Entitled To Receive Financing Receivable, Percentage Of Revenue Based Distributions Entitled To Receive Entity Address, State or Province Entity Address, State or Province Addition Asset Retirement Obligation, Liabilities Incurred Accounts payable (includes $2,783 and $544 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Accounts payable Accounts Payable, Other, Current Award Type [Axis] Award Type [Axis] Increase to interest rate of credit facility Debt Instrument, Interest Rate, Increase (Decrease) Stockholders' (deficit) equity Members' Equity [Abstract] Additional period payment Debt Instrument, Periodic Payment, Additional Amount Debt Instrument, Periodic Payment, Additional Amount Block 1 Opal Earnout Shares Block 1 Opal Earnout Shares [Member] Block 1 Opal Earnout Shares Preferred stock dividend rate if failed to redeem Preferred Stock, Dividend Rate If Failed To Redeem Preferred Stock, Dividend Rate If Failed To Redeem Operating expenses: Costs and Expenses [Abstract] Redemption price (in dollars per share) Temporary Equity, Redemption Price Per Share Non-current borrowings Long-term debt, excluding current portion Long-Term Debt, Excluding Current Maturities Total liabilities Liabilities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Warrants share price redemption trigger (in dollars per share) Class Of Warrant Or Right, Share Price Redemption Trigger Class Of Warrant Or Right, Share Price Redemption Trigger Document Type Document Type Common units, shares issued (in shares) Common Unit, Issued SOFR Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Assets: Assets, Fair Value Disclosure [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Asset Acquisition [Axis] Asset Acquisition [Axis] Purchase of Note receivable Payments to Acquire Notes Receivable Public Warrants Public Warrants [Member] Public Warrants Fair Value of Derivative Instruments on Balance Sheet and Effect of Netting Arrangements Offsetting Liabilities [Table Text Block] Paid-in-kind interest income Paid-In-Kind Interest Income Paid-In-Kind Interest Income Preferred stock dividend rate, event of default, maximum after increases Preferred Stock, Dividend Rate, Event Of Default, Maximum After Increases, Percentage Preferred Stock, Dividend Rate, Event Of Default, Maximum After Increases, Percentage One Vendor One Supplier [Member] One Supplier Receivables, Contract Assets and Contract Liabilities From Contracts With Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Put option with Meteora Put option to Meteora Put Option [Member] Transaction expenses Payments of Reverse Recapitalization Transaction Costs Payments of Reverse Recapitalization Transaction Costs Paid-in-kind preferred dividends Temporary Equity, Dividends, Adjustment OPAL Term Loan, current portion Secured Debt, Current Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Debt Disclosure [Abstract] Less: current portion Long-Term Debt, Current Maturities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Accounting Policies [Abstract] Interest expense Interest Expense, Debt Amount remaining of delayed draw term loan A available Amount remaining to be borrowed under term loan Debt Instrument, Unused Borrowing Capacity, Amount Line of Credit Line of Credit [Member] Redeemable non-controlling interests Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Prepaid expense and other current assets (includes $268 and $113 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Average fixed rate Derivative, Average Fixed Interest Rate Customer [Axis] Customer [Axis] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Derivatives Fair Values on Balance Sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] Contingent consideration shares sold (in shares) Derivative Instrument, Contingent Consideration, Liability, Shares, Sold Derivative Instrument, Contingent Consideration, Liability, Shares, Sold Schedule of Intangible Assets with Definite Lives Schedule of Finite-Lived Intangible Assets [Table Text Block] Cash payments Payments to Acquire Businesses, Gross Derivative Contract [Domain] Derivative Contract [Domain] Gross profit Gross Profit Entity Registrant Name Entity Registrant Name Common stock subject to vesting and forfeiture conditions, period Reverse Recapitalization, Common Stock Subject To Vesting And Forfeiture Conditions, Period Reverse Recapitalization, Common Stock Subject To Vesting And Forfeiture Conditions, Period GREP GREP BTB Holdings LLC (“GREP”) [Member] GREP BTB Holdings LLC (“GREP”) Subsequent Events Subsequent Events [Text Block] Supplier Concentration Risk Supplier Concentration Risk [Member] Sunoma Sunoma [Member] Sunoma Proceeds from accrued interest Proceeds From Accrued Interest Proceeds From Accrued Interest Three months ending December 31, 2022 Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Leases [Abstract] Expected term Measurement Input, Expected Term [Member] Total Stockholders' (deficit) equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Senior Secured Credit Facility, term loan Senior Secured Credit Facility - Term Loan [Member] Senior Secured Credit Facility - Term Loan Minimum Minimum [Member] Entity Emerging Growth Company Entity Emerging Growth Company Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Proceeds from OPAL Term Loan Proceeds from Issuance of Secured Debt Weighted average cost of capital Measurement Input, Cost Of Capital [Member] Measurement Input, Cost Of Capital Commitments and Contingencies Disclosure [Abstract] Class B Ordinary Share Class B Ordinary Share [Member] Class B Ordinary Share Investment, Name [Axis] Investment, Name [Axis] Trading Symbol Trading Symbol Entity File Number Entity File Number Intangible Assets, Net Intangible Assets Disclosure [Text Block] Preferred stock dividend rate, event of default, increase for each event Preferred Stock, Dividend Rate, Event Of Default, Increase For Each Event, Percentage Preferred Stock, Dividend Rate, Event Of Default, Increase For Each Event, Percentage Minimum output (in MWh per year) Derivative Instrument, Minimum Annual Electric Output Derivative Instrument, Minimum Annual Electric Output 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Reverse Recapitalization [Line Items] Reverse Recapitalization [Line Items] Reverse Recapitalization [Line Items] Maximum amount of revenue based distributions over term of debt Financing Receivable, Maximum Revenue Based Distributions Entitled To Receive Financing Receivable, Maximum Revenue Based Distributions Entitled To Receive Interest rate swaps and Commodity swap contracts Derivatives, Policy [Policy Text Block] Awards granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Effective tax rate Effective Income Tax Rate Reconciliation, Percent Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Aggregate fair value of grant Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted In Period, Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted In Period, Fair Value Meteora Meteora Capital Partners [Member] Meteora Capital Partners Use of estimates Use of Estimates, Policy [Policy Text Block] Revision of Prior Period, Error Correction, Adjustment Revision of Prior Period, Error Correction, Adjustment [Member] Equity Method Investments and Joint Ventures [Abstract] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Prime Rate Prime Rate [Member] Concentration risk percentage Concentration Risk, Percentage Paid-in-kind preferred dividend Temporary Equity, Increase From Dividend Distribution Temporary Equity, Increase From Dividend Distribution Third party fees Debt Instrument, Fee Amount Long-term asset Due from Affiliate, Noncurrent Income taxes Income Tax Disclosure [Text Block] Environmental processing fee Revenue from Related Parties OPAL Term Loan Secured Long-Term Debt, Noncurrent Repayments of loan Debt Instrument, Periodic Payment Stock subscribed (in shares) Sale Of Stock, Number Of Shares Subscribed Sale Of Stock, Number Of Shares Subscribed RNG inventory Inventory, Finished Goods, Net of Reserves Credit Facility [Domain] Credit Facility [Domain] Basic (in dollars per share) Earnings Per Share, Basic Unrealized gain on cash flow hedges Temporary Equity, Other Comprehensive Income, Net of Tax Temporary Equity, Other Comprehensive Income, Net of Tax Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Gain on repayment of Note receivable Gain on redemption of Note receivable Gain (Loss) On Repayment of Notes Receivable Gain (Loss) On Repayment of Notes Receivable Corporate Corporate Corporate, Non-Segment [Member] Volume weighted average closing price, period Share Price, Volume Weighted Average Closing Price, Period Share Price, Volume Weighted Average Closing Price, Period Schedule of Cash, Cash Equivalents and Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Other Derivatives Other Derivatives [Member] Other Derivatives Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Entity Interactive Data Current Entity Interactive Data Current Variable interest entity liability Variable Interest Entity, Other Long-Term Liabilities, No Longer Liable Variable Interest Entity, Other Long-Term Liabilities, No Longer Liable Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in operating assets and liabilities, net of effects of businesses acquired: Increase (Decrease) in Operating Capital [Abstract] OPAL Intermediate Holdco OPAL Fuels Intermediate Holding Company LLC ("OPAL Intermediate Holdco") [Member] OPAL Fuels Intermediate Holding Company LLC ("OPAL Intermediate Holdco") Class of Stock [Axis] Class of Stock [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Repayment of Municipality loan Repayments of Other Long-Term Debt Document Quarterly Report Document Quarterly Report Preferred units, shares issued (in shares) Temporary Equity, Shares Issued Change in fair value of derivative instruments, net Gain (Loss) on Derivative Instruments, Net, Pretax Current assets: Current assets: Current assets: Assets, Current [Abstract] Preferred stock dividend rate, quarterly increase after one year if failed to redeem Preferred Stock, Dividend Rate, Quarterly Increase After One Year If Failed To Redeem Preferred Stock, Dividend Rate, Quarterly Increase After One Year If Failed To Redeem Environmental credits Environmental Credits [Member] Environmental Credits Number of noncontrolling interests in renewable natural gas project subsidiaries Noncontrolling Interest, Number Of Subsidiaries With Noncontrolling Ownership Noncontrolling Interest, Number Of Subsidiaries With Noncontrolling Ownership Contributions from redeemable non-controlling interests Temporary Equity, Redeemable Noncontrolling Interest, Increase From Contributions Temporary Equity, Redeemable Noncontrolling Interest, Increase From Contributions Asset Acquisition [Domain] Asset Acquisition [Domain] Accumulated deficit Retained Earnings (Accumulated Deficit) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Minimum current ratio Debt Instrument, Covenant, Current Ratio, Minimum Debt Instrument, Covenant, Current Ratio, Minimum Scenario [Domain] Scenario [Domain] Fair Value, Recurring Fair Value, Recurring [Member] Related Parties Related Party Transactions Disclosure [Text Block] Commitment fees and other finance fees Debt Related Commitment Fees and Debt Issuance Costs Office furniture and equipment Office Furniture And Fixtures And Office Equipment [Member] Office Furniture And Fixtures And Office Equipment Leases Leases of Lessee Disclosure [Text Block] Contingent consideration (in shares) Derivative Instrument, Contingent Consideration, Liability, Shares Derivative Instrument, Contingent Consideration, Liability, Shares Document Fiscal Year Focus Document Fiscal Year Focus Contingent consideration period Derivative Instrument, Contingent Consideration, Liability, Period Derivative Instrument, Contingent Consideration, Liability, Period Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Warrants expiration period Warrants and Rights Outstanding, Term Class D common stock Common Class D [Member] Common Class D Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] 2023 Operating Leases, Future Minimum Payments Due, Next 12 Months Two Customers Two Customers [Member] Two Customers Per share amounts: Net loss per share of Class A common stock Earnings Per Share, Basic And Diluted EPS [Abstract] Earnings Per Share, Basic And Diluted EPS Preferred stock redemption period after fourth anniversary Preferred Stock, Redemption Period After Fourth Anniversary Preferred Stock, Redemption Period After Fourth Anniversary Opal A-2 Term Loans Opal A-2 Term Loans [Member] Opal A-2 Term Loans Number of shares per warrant (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Cash consideration Payments to Acquire Productive Assets Less: warrant liabilities Reverse Recapitalization, Warrant Liability Reverse Recapitalization, Warrant Liability Equity investment held (in shares) Asset Acquisition, Equity Interests Issued Or Issuable, Number Of Shares Asset Acquisition, Equity Interests Issued Or Issuable, Number Of Shares Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Redeemed outstanding debt Debt Conversion, Converted Instrument, Amount Convertible Note Payable Convertible Notes Payable, Current Cash held in restricted account Cash Collateral for Borrowed Securities Shares issued upon conversion (in shares) Debt Conversion, Converted Instrument, Shares Issued Document Information [Table] Document Information [Table] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Series A-1 preferred units Series A-1 Preferred Stock [Member] Series A-1 Preferred Stock Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Schedule of Preferred Units [Table] Schedule of Preferred Units [Table] CNG/RNG fueling stations Compressed Natural Gas/Renewable Natural Gas Fueling Stations [Member] Compressed Natural Gas/Renewable Natural Gas Fueling Stations Proceeds from non-controlling interest Noncontrolling Interest, Increase from Subsidiary Equity Issuance Paid-in-kind dividend on redeemable preferred non-controlling interests Noncash, Dividends, Redeemable Preferred Non-Controlling Interests, Paid-In-Kind Noncash, Dividends, Redeemable Preferred Non-Controlling Interests, Paid-In-Kind Provision for income taxes Income Tax Expense (Benefit) Administrative Services Agreement Administrative Services Agreement [Member] Administrative Services Agreement Hedging Relationship [Axis] Hedging Relationship [Axis] Cost of sales Cost of Goods and Services Sold Parts sales Parts [Member] Parts Estimated value of total asset retirement obligation Asset retirement obligation, beginning balance Asset retirement obligation, ending balance Asset retirement obligation Asset Retirement Obligation Derivative liabilities Derivative liabilities Derivative Liability Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Gross Amounts of Recognized (Liabilities) Derivative Liability, Subject to Master Netting Arrangement, before Offset Municipality loan Other Loans Payable, Current Accounts Receivable Accounts Receivable [Member] Proceeds from non-redeemable non-controlling interest Temporary Equity, Decrease From Issuance Of Nonredeemable Noncontrolling Interest Temporary Equity, Decrease From Issuance Of Nonredeemable Noncontrolling Interest Common stock Common Stock, Value, Issued Net periodic settlements Derivative Instruments Not Designated As Hedging Instruments, Net Periodic Settlements Derivative Instruments Not Designated As Hedging Instruments, Net Periodic Settlements Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Forward Purchase Agreement Forward Purchase Agreement [Member] Forward Purchase Agreement Warrants, redemption share price threshold consecutive trading days Class Of Warrant Or Right, Redemption, Share Price Threshold Consecutive Trading Days Class Of Warrant Or Right, Redemption, Share Price Threshold Consecutive Trading Days Decrease in interest and financing expense Financing Receivable, Paid-In-Kind Interest Income Financing Receivable, Paid-In-Kind Interest Income RNG fuel Natural Gas, Renewable [Member] Natural Gas, Renewable Net Amounts of (Liabilities) in the Balance Sheet Derivative Liability, Subject to Master Netting Arrangement, after Offset Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Payment-in-kind interest of equity method investment Financing Receivable, Stated Interest Rate, Portion Payable In Kind Financing Receivable, Stated Interest Rate, Portion Payable In Kind Cash, restricted cash, and cash equivalents, beginning of period Cash, restricted cash, and cash equivalents, end of period Cash, cash equivalents and restricted cash Total cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Warrants, measurement input Warrants and Rights Outstanding, Measurement Input Share price Measurement Input, Share Price [Member] Current liabilities: Current liabilities: Liabilities, Current [Abstract] Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest [Abstract] Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest [Abstract] Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest Contract liabilities Contract liabilities Contract with Customer, Liability, Current Pine Bend Pine Bend [Member] Pine Bend Warrants exercise period Class Of Warrant Or Right, Exercise Period From Business Combination Class Of Warrant Or Right, Exercise Period From Business Combination Fair value of warrants Warrants and Rights Outstanding Prepayment penalty percentage Debt Instrument, Prepayment Penalty, Percentage Debt Instrument, Prepayment Penalty, Percentage Public Stockholders Public Stockholders [Member] Public Stockholders Amendment Flag Amendment Flag Weighted Average Amortization Period (Years) Finite-Lived Intangible Asset, Useful Life Distributions to redeemable non-controlling interests Temporary Equity, Distributions To Redeemable Noncontrolling Interest Holders Temporary Equity, Distributions To Redeemable Noncontrolling Interest Holders Less: earnout liabilities Reverse Recapitalization, Derivative Instrument, Contingent Consideration Reverse Recapitalization, Derivative Instrument, Contingent Consideration One Customer One Customer [Member] One Customer Construction in progress Construction in Progress [Member] Goodwill and Intangible Assets Disclosure [Abstract] Other long-term assets Other Assets, Noncurrent Realized gain from commodity swap contracts Commodity swaps - realized loss Gain (Loss) on Sale of Commodity Contracts Percentage of common stock subject to vesting and forfeiture conditions Reverse Recapitalization, Percentage Of Common Stock Subject To Vesting And Forfeiture Conditions Reverse Recapitalization, Percentage Of Common Stock Subject To Vesting And Forfeiture Conditions Commitment fee on unused portion Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Commodity swap contracts Commodity Contract [Member] Counterparty Name [Axis] Counterparty Name [Axis] Fees Upon Entering Into Management Services Agreement with Related Party Schedule of Related Party Transactions [Table Text Block] Schedule of Interest Expense on Borrowings Interest Income and Interest Expense Disclosure [Table Text Block] Number of derivative instruments held Derivative, Number of Instruments Held Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Interest Rate Swaps Schedule of Interest Rate Derivatives [Table Text Block] Effect of the dilutive put option on a forward purchase agreement Incremental Common Shares Attributable to Dilutive Effect of Written Put Options Preferred stock dividend rate, increase to after one year if failed to redeem Preferred Stock, Dividend Rate, Increase To After One Year If Failed To Redeem Preferred Stock, Dividend Rate, Increase To After One Year If Failed To Redeem Volume weighted average closing price (in dollars per share) Share Price, Volume Weighted Average Closing Price Share Price, Volume Weighted Average Closing Price Fair value of contingent consideration to redeem the non-controlling interest included in other long-term liabilities Contingent Consideration Arrangements, Change In Fair Value of Contingent Consideration Liability To Redeem The Non-Controlling Interest Contingent Consideration Arrangements, Change In Fair Value of Contingent Consideration Liability To Redeem The Non-Controlling Interest Contract liabilities: Contract with Customer, Liability [Abstract] Cash dividends received Proceeds from Dividends Received Reverse Recapitalization [Abstract] Reverse Recapitalization Additional renewal option (in months) Operating Leases, Lessee, Renewal Option Term Operating Leases, Lessee, Renewal Option Term Common stock, shares authorized (in shares) Common Stock, Shares Authorized Statement of Comprehensive Income [Abstract] Fuel tax credits payable Accrued Income Taxes, Current Maximum Maximum [Member] Redeemable non-controlling interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Subsequent ownership percentage Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage Paid-in-kind dividends issued and outstanding units Temporary Equity, Accretion of Dividends Interest and financing expense, net Total interest expense Interest and Financing Expense, Net: Interest and Debt Expense Cash and cash equivalents (includes $10,045 and $1,991 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Contract liabilities Increase (Decrease) in Contract with Customer, Liability Derivatives designated as cash flow hedges: Designated as Hedging Instrument [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Issuance of common stock from the reverse recapitalization and PIPE Investments, net of warrant liability, put option and earnout liability Stock Issued During Period, Value, Reverse Recapitalization Stock Issued During Period, Value, Reverse Recapitalization Proceeds from issuance of redeemable preferred units Proceeds from Issuance of Redeemable Preferred Stock Line of Credit Facility [Table] Line of Credit Facility [Table] 2026 Operating Leases, Future Minimum Payments, Due in Four Years Net Amounts of Assets in the Balance Sheet Derivative Asset, Subject to Master Netting Arrangement, after Offset Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Cash in escrow account for the Forward Purchase Agreement Reverse Recapitalization, Escrow, Derivative Liability Reverse Recapitalization, Escrow, Derivative Liability Accounts receivable Increase (Decrease) in Accounts Receivable Title of 12(b) Security Title of 12(b) Security Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Warrant Redemption Scenario [Axis] Warrant Redemption Scenario [Axis] Warrant Redemption Scenario Short term investments ( includes $15,411 and $— at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Short term investments Short term investments Short-Term Investments Other Product and Service, Other [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock-based compensation Temporary Equity, Increase From Stock Based Compensation Temporary Equity, Increase From Stock Based Compensation Senior Secured Credit Facility, working capital facility Senior Secured Credit Facility - Working Capital Facility [Member] Senior Secured Credit Facility - Working Capital Facility Stockholders Excluding Opal Fuels Stockholders Stockholders Excluding Opal Fuels Stockholders [Member] Stockholders Excluding Opal Fuels Stockholders Reportable Segments and Geographic Information Segment Reporting Disclosure [Text Block] Expected volatility Measurement Input, Price Volatility [Member] Redeemable preferred non-controlling interests Redeemable Preferred non-controlling interests Redeemable Preferred Noncontrolling Interest [Member] Redeemable Preferred Noncontrolling Interest Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] ArcLight Clean Transition Corp II ("Arclight") ArcLight Clean Transition Corp II ("Arclight") [Member] ArcLight Clean Transition Corp II ("Arclight") Contingent consideration, price (in dollars per share) Derivative Instrument, Contingent Consideration, Liability, Price Derivative Instrument, Contingent Consideration, Liability, Price Previously Reported Previously Reported [Member] Supplier [Axis] Supplier [Axis] Preferred stock conversion, thereafter discount Preferred Stock, Conversion, After Second Year Discount, Percentage Preferred Stock, Conversion, After Second Year Discount, Percentage Liabilities and Equity Liabilities and equity Liabilities and Equity [Abstract] Transaction costs Less: transaction costs and under writing fees paid Payments Of Transaction Costs and Under Writing Fees Payments Of Transaction Costs and Under Writing Fees Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Sponsor Earnout Awards Sponsor Earnout Shares [Member] Sponsor Earnout Shares Three months ending December 31, 2022 Long-Term Debt, Maturity, Remainder of Fiscal Year Weighted average shares outstanding of Class A common stock : Weighted Average Number of Shares Outstanding, Diluted [Abstract] Equity Method Investment(s) Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Environmental Processing Fees Environmental Processing Fees [Member] Environmental Processing Fees Lease revenue under ASC 840 Lease revenue Operating Leases, Income Statement, Lease Revenue Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount Convertible Note Payable Convertible Notes Payable Mark-to-Market Convertible Notes Payable [Member] Basic (in shares) Weighted average number of shares of Class A common stock - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Percentage of ownership Equity Method Investment, Ownership Percentage Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Notional Amount Derivative, Notional Amount Hillman Hillman [Member] Hillman Interest income on loan receivable Interest Income, Financing Receivable, before Allowance for Credit Loss Restricted cash - current (includes $7,623 and $— at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Restricted cash - current Restricted cash - current Restricted Cash, Current Variable interest entity income Variable Interest Entity, Measure of Activity, Revenues Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Schedule of Borrowings Schedule of Debt [Table Text Block] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Fuel tax credits payable Increase (Decrease) in Income Taxes Payable Redeemable preferred non-controlling interest issuance, net of issuance costs Temporary Equity, Issuance Of Redeemable Preferred Noncontrolling Interest Temporary Equity, Issuance Of Redeemable Preferred Noncontrolling Interest RNG Inventory Inventory Finished Goods, Policy [Policy Text Block] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Preferred stock redemption price (in dollars per share) Preferred Stock, Redemption Price Per Share Debt Instrument, Covenant, Period Two Debt Instrument, Covenant, Period Two [Member] Debt Instrument, Covenant, Period Two Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Non-redeemable non-controlling interests Noncontrolling Interest [Member] Permanent Loan Permanent Loan [Member] Permanent Loan Term of loan (in years) Debt Instrument, Term Number of variable interest entities consolidated Variable Interest Entity, Number of Entities Consolidated Variable Interest Entity, Number of Entities Consolidated Payments on aggregate principal amount (percentage) Debt Instrument, Payments, Percentage Debt Instrument, Payments, Percentage Related Party [Axis] Related Party [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] Net income (loss) attributable to redeemable non-controlling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Repayment of Senior Secured Credit Facility Repayment of Senior Secured Credit Facility Repayments of Long-Term Lines of Credit Land Land [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] CNG sales contract Customer Contracts [Member] Number of purchase option contracts to provide CNG Number Of Purchase Option Contracts Number Of Purchase Option Contracts Fair value of put option on a forward purchase agreement related to Business Combination Noncash, Business Combination, Fair Value Adjustments Of Put Option On Forward Purchase Agreement Noncash, Business Combination, Fair Value Adjustments Of Put Option On Forward Purchase Agreement Proceeds received from repayment of Note receivable Proceeds from Collection of Notes Receivable Level 2 Fair Value, Inputs, Level 2 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Reynolds Reynolds RNG LLC [Member] Reynolds RNG LLC Beacon Beacon RNG LLC (“Beacon”) [Member] Beacon RNG LLC (“Beacon”) Series A units issued (in shares) Temporary Equity, Stock Issued During Period, Shares, New Issues Temporary Equity, Stock Issued During Period, Shares, New 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[Member] Contingent consideration on acquisition of non-controlling interest Acquisition Of Noncontrolling Interest, Contingent Consideration, Liability, Fair Value Disclosure Acquisition Of Noncontrolling Interest, Contingent Consideration, Liability, Fair Value Disclosure Management Services Agreement Management Services Agreement [Member] Management Services Agreement Reversal of contingent consideration on acquisition of non-controlling interest Business Combination, Contingent Consideration Arrangements, Reversal Business Combination, Contingent Consideration Arrangements, Reversal Entity Address, Postal Zip Code Entity Address, Postal Zip Code Costar Costar Partners LLC ("Costar") [Member] Costar Partners LLC ("Costar") 2024 Long-Term Debt, Maturity, Year Two Business Combination, Transaction costs and Earnout Awards Business Combinations Policy [Policy Text Block] Opal Term Loan II, Delayed Term Loan Facility ("DDTL") Opal Term Loan II, Delayed Term Loan ("DDTL") Facility 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Instrument, Contingent Consideration, Liability, Escrow Derivative Instrument, Contingent Consideration, Liability, Escrow Renewable power sales Renewable Power Sales [Member] Renewable Power Sales Scenario [Axis] Scenario [Axis] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Warrants, redemption share price threshold trading days Class Of Warrant Or Right, Redemption, Share Price Threshold Trading Days Class Of Warrant Or Right, Redemption, Share Price Threshold Trading Days FM3 FM3 [Member] FM3 Warrants redemption threshold shares ratio Class Of Warrant Or Right, Redemption Threshold Shares Ratio Class Of Warrant Or Right, Redemption Threshold Shares Ratio Paid-in-kind dividends attributable to OPAL Fuels Temporary Equity, Accretion Of Dividends, Attributable To Parent Temporary Equity, Accretion Of Dividends, Attributable To Parent Derivative Instrument [Axis] Derivative Instrument [Axis] Number of operating segments Number of Operating Segments Brown 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Energy Measure Contributions from members Proceeds from Contributions from Affiliates Percentage of ownership interest acquired Business Acquisition, Percentage of Voting Interests Acquired Interest rate swaps Derivative Instruments Not Designated As Hedging Instruments, Including Net Periodic Settlements, Gain (Loss), Net Derivative Instruments Not Designated As Hedging Instruments, Including Net Periodic Settlements, Gain (Loss), Net Common stock, number of votes per share Common Stock, Number Of Votes Common Stock, Number Of Votes Derivative financial liability, current portion Derivative financial liability, current portion Derivative Liability, Current Renewable Power Renewable Power Renewable Power Renewable Power Segment [Member] Renewable Power Segment Number of members on independent board Joint Venture, Independent Board Of Directors, Number of Members Joint Venture, Independent Board Of Directors, Number of Members Summary of Property, Plant, and Equipment, Net Property, 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Financing Receivable, After Allowance For Credit Loss, Variable Fee Component, Noncurrent Financing Receivable, After Allowance For Credit Loss, Variable Fee Component, Noncurrent Third party construction Third Party Construction [Member] Third Party Construction 2025 Long-Term Debt, Maturity, Year Three Vehicles Vehicles [Member] Affiliated Entity Affiliated Entity [Member] Other comprehensive income: Other Comprehensive Income (Loss), Tax [Abstract] Percentage of notes converted Debt Instrument, Convertible, Percentage Of Outstanding Amount Converted Debt Instrument, Convertible, Percentage Of Outstanding Amount Converted Consolidation Items [Domain] Consolidation Items [Domain] Revenue Benchmark Revenue Benchmark [Member] Subsequent Event Subsequent Event [Member] Document Period End Date Document Period End Date Proceeds received from Business Combination Cash acquired from Business Combination Proceeds From Reverse Recapitalization Transaction Proceeds From Reverse Recapitalization Transaction Common Class C Class C common stock Common Class C [Member] IT services IT Services [Member] IT Services Cost and estimated earnings in excess of billings Contract With Customer, Asset, After Allowance For Credit Loss, Cost And Estimated Earnings In Excess Of Billings, Current Contract With Customer, Asset, After Allowance For Credit Loss, Cost And Estimated Earnings In Excess Of Billings, Current Total assets Total Assets: Assets Supplier [Domain] Supplier [Domain] Earnings Per Share [Abstract] Interest rate swaps Interest rate swaps Interest Rate Swap [Member] Proceeds from payment of principal of loan Proceeds From Collection Of Notes Receivable, Principal Proceeds From Collection Of Notes Receivable, Principal Preferred stock liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference Per Share Proceeds from sale of non-redeemable non-controlling interest Proceeds From Nonredeemable Noncontrolling Interest Proceeds From Nonredeemable Noncontrolling Interest Accrued payroll Employee-related Liabilities, Current Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Segments [Domain] Segments [Domain] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Net Income (loss) Per Share Earnings Per Share [Text Block] Net income attributable to Redeemable non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Redeemable Noncontrolling Interest Plant and equipment Plant and Equipment [Member] Plant and Equipment Total comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Award Type [Domain] Award Type [Domain] Gain on extinguishment of contingent liability Gain (Loss) on Extinguishment of Debt Fuel tax credits receivable Income Taxes Receivable, Current Stock issued (in shares) Stock Issued During Period, Shares, New Issues Opal Fuels Opal Fuels [Member] Opal Fuels Number of variable interest entities Variable Interest Entity, Number Of Entities Variable Interest Entity, Number Of Entities Entity Address, City or Town Entity Address, City or Town Schedule of Recapitalization Schedule Of Reverse Recapitalization [Table Text Block] Schedule Of Reverse Recapitalization Intersegment Intersegment Eliminations [Member] Transaction costs excluded paid at closing Reverse Recapitalization, Transaction Costs Paid At Closing Reverse Recapitalization, Transaction Costs Paid At Closing Non-redeemable non-controlling interests Stockholders' Equity Attributable to Noncontrolling Interest Statement of Financial Position [Abstract] Cash proceeds from Arclight, net of redemptions Cash Acquired Through Reverse Recapitalization Cash Acquired Through Reverse Recapitalization Unrealized loss on derivative financial instruments Derivative, 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Measurement Input, Risk Free Interest Rate [Member] Parent Company Parent Company [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Subsequent Events [Abstract] Total revenues Net revenues after discount under purchase and sales agreement Total revenues Revenues: Revenues EBITDA trigger Derivative Instrument, Contingent Consideration, Liability, EBITDA Trigger Derivative Instrument, Contingent Consideration, Liability, EBITDA Trigger Net unrealized gain on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Staffing and management services Staffing and Management Services [Member] Staffing and Management Services Amortization expense Amortization of Intangible Assets Exercise price of warrant (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Schedule of Changes in Goodwill Schedule of Goodwill [Table Text Block] Interest paid, net of $— and $531 capitalized, respectively Interest Paid, Excluding Capitalized Interest, Operating Activities Environmental credits held for sale Assets Held-for-sale, Not Part of Disposal Group, Current Accounts Payable Accounts Payable [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Counterparty Name [Domain] Counterparty Name [Domain] Total Stockholders' (deficit) equity attributable to the Company Stockholders' equity Stockholders' Equity Attributable to Parent Opal Fuels Stockholders Opal Fuels Stockholders [Member] Opal Fuels Stockholders Maximum borrowing capacity under extended term Debt Instrument, Maximum Borrowing Capacity For Extended Availability Period, Amount Debt Instrument, Maximum Borrowing Capacity For Extended Availability Period, Amount Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Asset Retirement Obligation Asset Retirement Obligation [Policy Text Block] Stock issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Accumulated 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[Member] Opal Earnout Shares Goodwill Goodwill Disclosure [Text Block] Changes in Redeemable Preferred Units Temporary Equity [Table Text Block] Other comprehensive income AOCI Attributable to Parent [Member] Series A preferred units Series A Preferred Stock [Member] Document Transition Report Document Transition Report Change in fair value of Convertible Note Payable Convertible note payable mark-to-market Unrealized Gain (Loss) On Convertible Notes Payable Unrealized Gain (Loss) On Convertible Notes Payable Local Phone Number Local Phone Number Percentage of note receivable payable in cash Financing Receivable, Stated Interest Rate, Portion Payable In Cash Financing Receivable, Stated Interest Rate, Portion Payable In Cash Operating (loss) income Operating Income (Loss) Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Block 2 Opal Earnout Shares Block 2 Opal Earnout Shares [Member] Block 2 Opal Earnout Shares Proceeds from prepayment of penalty 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Measured on Recurring Basis [Table Text Block] Operating Segments Operating Segments [Member] Parts inventory Inventory, Parts and Components, Net of Reserves Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Municipality loan Municipality Loan Municipality Loan Loans Payable [Member] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Net loss attributable to OPAL Fuels LLC, basic Net loss attributable to Class A common stockholders Net Income (Loss) Available to Common Stockholders, Basic Summary of Equity Method Investments Equity Method Investments [Table Text Block] Common stock, shares issued (in shares) Common Stock, Shares, Issued Investment in other entities Total investment in other entities Equity Method Investment(s) Equity Method Investments Contingent consideration liability Derivative Instrument, Contingent Consideration, Liability Derivative Instrument, Contingent Consideration, Liability Accrual for purchase of Property, plant and equipment included in Accounts payable and Accrued capital expenses Capital Expenditures Incurred but Not yet Paid Transferred over Time Transferred over Time [Member] Cash Flow Hedging Cash Flow Hedging [Member] Convertible Note Payable Convertible Notes Payable, Noncurrent Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Swaption Swaption asset Swaption [Member] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Aggregate principal amount Aggregate principal amount Debt Instrument, Face Amount Short term investments Investment, Policy [Policy Text Block] Draws on standby letters of credit Proceeds from Long-Term Lines of Credit Accounts payable, related party Accounts payable, related party Accounts Payable, Related Parties, Current Comprehensive income attributable to OPAL Fuels Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Interest Expense on Borrowings, Depreciation, Amortization and Accretion and Cash Paid for Purchases, Plant and Equipment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity Current Reporting Status Entity Current Reporting Status Business Combination Reverse Recapitalization Disclosure [Text Block] Reverse Recapitalization Disclosure Other current liabilities Other Liabilities, Current Change in redemption value of Redeemable non-controlling interests Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Accrued payroll Increase (Decrease) in Employee Related Liabilities Opal Term Loan II, Debt Service Reserve ("DSR") Facility Opal Term Loan II, Debt Service Reserve ("DSR") Facility [Member] Opal Term Loan II, Debt Service Reserve ("DSR") Facility Notional quantity, per hour Derivative, Nonmonetary Notional Amount, Energy Measure, Per Hour Derivative, Nonmonetary Notional Amount, Energy Measure, Per Hour Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Swap Swap [Member] Contribution to joint venture Restricted Cash, Current, Joint Venture Equity Contribution Restricted Cash, Current, Joint Venture Equity Contribution Derivative [Table] Derivative [Table] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Property, plant, and equipment, net (includes $50,099 and $27,794 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Property, plant and equipment, net Property, plant, and equipment, net Property, Plant and Equipment, Net Noble Road Noble Road [Member] Noble Road Reverse Recapitalization [Table] Reverse Recapitalization [Table] Reverse Recapitalization [Table] Depreciation, amortization, and accretion Depreciation, Amortization, and Accretion: Depreciation, Amortization and Accretion, Net Schedule of Estimated Future Amortization Expense For Definite Lived Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Loan outstanding Total Long-Term Debt Other income Other income Other Nonoperating Income (Expense) Sales price (in dollars per share) Sale of Stock, Price Per Share Earn out liabilities Business Combination, Contingent Consideration, Liability, Noncurrent Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Change in fair value of derivative instruments, net Change in fair value of derivative instruments, net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Long-term assets: Assets, Noncurrent [Abstract] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Variable Rate, Fixed Margin, Period Two Variable Rate, Fixed Margin, Period Two [Member] Variable Rate, Fixed Margin, Period Two Percentage of revenue recognized over time Revenue, Percentage Revenue, Percentage Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Class A common stock Common Class A [Member] Debt Instrument, Covenant Period [Axis] Debt Instrument, Covenant Period [Axis] Debt Instrument, Covenant Period Total current assets Assets, Current Revenue recognized included in contract liabilities Contract with Customer, Liability, Revenue Recognized Maximum leverage ratio Debt Instrument, Covenant, Leverage Ratio, Maximum Debt Instrument, Covenant, Leverage Ratio, Maximum Warrant Redemption Scenario Two Warrant Redemption Scenario Two [Member] Warrant Redemption Scenario Two Entity Small Business Entity Small Business Revenues: Revenues: Revenues [Abstract] Intangible Assets, Net Finite-Lived Intangible Assets, Net Total Assets Reconciliation of Assets from Segment to Consolidated [Table Text Block] Backlog recognition period (in months) Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Fuel tax credits receivable Increase (Decrease) in Income Taxes Receivable Changes in the Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Property, Plant, and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Common stock conversion rate Common Stock, Conversion Rate Common Stock, Conversion Rate Change in redemption value of Redeemable non-controlling interests Temporary Equity, Accretion to Redemption Value Consolidated Entities [Axis] Consolidated Entities [Axis] Interest reserve Restricted Cash, Current, Interest Reserve Restricted Cash, Current, Interest Reserve Debt, measurement input Long-Term Debt, Measurement Input Total expenses Costs and Expenses Term (in months) Operating Leases, Lessee, Term Operating Leases, Lessee, Term Debt Instrument [Line Items] Debt Instrument [Line Items] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Financing fees paid Payments of Debt Issuance Costs Brown gas sales Brown Gas [Member] Brown Gas 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Derivative, realized gain Gain on change in fair value of derivative instruments Derivative, Gain (Loss) on Derivative, Net Derivative warrant liabilities Warrants [Policy Text Block] Warrants Amount sold Sale of Stock, Consideration Received on Transaction Senior Secured Credit Facility Senior Secured Credit Facility Senior Secured Credit Facility [Member] Senior Secured Credit Facility Hedging Relationship [Domain] Hedging Relationship [Domain] 2026 Long-Term Debt, Maturity, Year Four Hedging Designation [Axis] Hedging Designation [Axis] Entity Filer Category Entity Filer Category Derivative warrant liabilities Public Warrants Warrant [Member] Gross Amounts Offset in the Balance Sheet Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Debt Instrument, Covenant, Period One Debt Instrument, Covenant, Period One [Member] Debt Instrument, Covenant, Period One Proceeds from notes receivable Proceeds from notes receivable Proceeds From Collection Of Notes Receivable, Principal, Paid-In-Kind Interest And Prepayment Penalty Proceeds From Collection Of Notes Receivable, Principal, Paid-In-Kind Interest And Prepayment Penalty Liabilities: Liabilities, Fair Value Disclosure [Abstract] Noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Commitments and contingencies Commitments and Contingencies Security Exchange Name Security Exchange Name Fair value of Class A common stock issued for redemption of Convertible Note Payable Stock Issued Schedule of Total Revenues by Segment Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Outstanding letters of credit Standby letters of credit outstanding balance Letters of Credit Outstanding, Amount Other Segment Reconciling Items [Member] Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Conversion of Convertible note payable to common shares (in shares) Conversion of stock (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Percentage to be repaid Debt Instrument, Periodic Payment, Percentage Of Outstanding Debt Debt Instrument, Periodic Payment, Percentage Of Outstanding Debt Cover [Abstract] Segment Reporting [Abstract] Contract assets Increase (Decrease) in Contract with Customer, Asset Forecast Forecast [Member] Derivative financial assets, current portion Derivative Asset, Current Issuance of Convertible Note Payable related to business acquisition, excluding paid-in-kind interest Notes Issued Total liabilities, Redeemable preferred, Redeemable non-controlling interests and Stockholders' (deficit) equity Liabilities and Equity Sunoma loan, net of debt issuance costs (includes $22,080 and $16,199 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Sunoma loan, net of debt issuance costs Long-Term Construction Loan, Noncurrent Average Contract Price (per MWh) Derivative, Contract Price, Average Derivative, Contract Price, Average Amortization of deferred financing costs Amortization of deferred financing cost Amortization of Debt Issuance Costs Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Fair value of Earnout liabilities related to Business Combination Noncash, Business Combination, Fair Value Adjustments Of Earnout Liabilities Noncash, Business Combination, Fair Value Adjustments Of Earnout Liabilities Schedule of Net (Loss) Income Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Debt Instrument, Covenant Period [Domain] Debt Instrument, Covenant Period [Domain] Debt Instrument, Covenant Period [Domain] Asset retirement obligation, current portion Less: current portion Asset Retirement Obligation, Current Note receivable Financing Receivable, after Allowance for Credit Loss, Noncurrent Diluted Net loss attributable to Class A common stockholders Net Income (Loss) Available to Common Stockholders, Diluted Diluted (in dollars per share) Earnings Per Share, Diluted TruStar revolver credit facility TruStar Revolving Credit Facility [Member] TruStar Revolving Credit Facility Paid-in-kind preferred dividends Paid-in-kind preferred dividend Dividends, Preferred Stock, Paid-in-kind Issuance costs Payments of Stock Issuance Costs Proceeds received from paid-in-kind interest Proceeds From Paid In Kind Interest On Note Receivable Proceeds From Paid In Kind Interest On Note Receivable Consolidation Items [Axis] Consolidation Items [Axis] Opal Term Loan II Opal Term Loan II [Member] Opal Term Loan II Sunoma loan, current portion (includes $— and $756 at September 30, 2022 and December 31, 2021, respectively, related to consolidated VIEs) Sunoma Loan- current portion Long-Term Construction Loan, Current Intellectual property Intellectual Property [Member] Operating agreements Operating Agreements [Member] Operating Agreements Term of purchase option contract (in years) Long-Term Purchase Commitment, Period Interest rate swaption Interest Rate Swaption [Member] Total consideration from related parties Due from Related Parties Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Gross Amounts Offset in the Balance Sheet Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Gross Amounts of Recognized Assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, Address Line One Entity Address, Address Line One Class A Ordinary Share Class A Ordinary Share [Member] Class A Ordinary Share Rent expense Operating Leases, Rent Expense, Net Product and Service [Axis] Product and Service [Axis] Senior Secured Credit Facility - Debt Reserve And Liquidity Facility Senior Secured Credit Facility - Debt Reserve And Liquidity Facility [Member] Senior Secured Credit Facility - Debt Reserve And Liquidity Facility Class of Stock [Domain] Class of Stock [Domain] Fuel Station Services Fuel Station Services Fuel Station Services Segment [Member] Fuel Station Services Segment Equity Method Investments Equity Method Investments [Policy Text Block] OPAL Term Loan OPAL Term Loan Opal Term Loan [Member] Opal Term Loan Capital spares Inventory, Noncurrent Buildings Building [Member] Sunoma Loan Sunoma Loan Sunoma loan Construction Loans [Member] Number of operational projects Number Of Facilities, Operational Number Of Facilities, Operational Disaggregation of Revenue By Product Line Disaggregation of Revenue [Table Text Block] Opal A-2 Term Commitments Opal A-2 Term Commitments [Member] Opal A-2 Term Commitments Three months ended December 31, 2022 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Contract assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Contract assets: Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract] Proceeds from non-redeemable non-controlling interest Temporary Equity, Noncontrolling Interest, Increase From Subsidiary Equity Issuance Temporary Equity, Noncontrolling Interest, Increase From Subsidiary Equity Issuance Interest rate during period Debt Instrument, Interest Rate During Period Preferred stock dividend rate, event of default Preferred Stock, Dividend Rate, Event Of Default, Percentage Preferred Stock, Dividend Rate, Event Of Default, Percentage Preferred stock conversion, second year discount Preferred Stock, Conversion, Second Year Discount, Percentage Preferred Stock, Conversion, Second Year Discount, Percentage Minimum required debt service coverage ratio Debt Instrument, Covenant, Debt Service Coverage Ratio, Minimum Debt Instrument, Covenant, Debt Service Coverage Ratio, Minimum Measurement Frequency [Axis] Measurement Frequency [Axis] Beacon Beacon [Member] Beacon Accrued expenses and other current liabilities Other Accrued Liabilities, Current Variable Rate Period [Axis] Variable Rate Period [Axis] Variable Rate Period Variable Rate Period [Domain] Variable Rate Period [Domain] Variable Rate Period [Domain] Deferred financing costs Debt Issuance Costs, Noncurrent, Net Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Statement of Stockholders' Equity [Abstract] TruStar Revolver Credit Facility Effective September 2021 TruStar Revolver Credit Facility Effective September 2021 [Member] TruStar Revolver Credit Facility Effective September 2021 Net cash from Business Combination recorded in Stockholders' equity Net cash from Business Combination Reverse Recapitalization, Net Reverse Recapitalization, Net Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Power purchase agreements Power Purchase Agreements [Member] Power Purchase Agreements Investments in Other Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Paid-in kind dividends attributable to Class A common stockholders Temporary Equity, Accretion Of Dividends, Attributable To Common Stockholders, Basic Temporary Equity, Accretion Of Dividends, Attributable To Common Stockholders, Basic Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Warrant Redemption Scenario [Domain] Warrant Redemption Scenario [Domain] Warrant Redemption Scenario [Domain] Derivative warrant liabilities Derivative Liability, Noncurrent