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Options, Forfeitures, Weighted Average Grant Date Fair Value Issuance of Class A common stock for vesting of equity awards Stock Issued During Period, Value, Restricted Stock Award, Gross Subsequent Event Type [Axis] Subsequent Event Type [Axis] Statement of Comprehensive Income [Abstract] Hillman Hillman [Member] Hillman MD Digester, LLC MD Digester, LLC [Member] MD Digester, LLC Lease liabilities, finance lease Finance Lease, Liability Forfeitures (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Minimum debt to cash flow ratio Debt Instrument, Covenant, Debt To Cash Flow Ratio During Delayed Draw Availability Period, Minimum Debt Instrument, Covenant, Debt To Cash Flow Ratio During Delayed Draw Availability Period, Minimum Investment in other entities Equity Method Investments [Policy Text Block] Allowance for credit losses Accounts Receivable, Allowance for Credit Loss Distributions received from equity method investment Distributions from return on investment in equity method investment Proceeds from Equity Method Investment, Distribution, Return of Capital 2025 Long-Term Debt, Maturity, Year One Closing share price (in dollars per share) Share Price Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Changes in the Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Permanent Loan Permanent Loan [Member] Permanent Loan Number of variable interest entities consolidated Variable Interest Entity, Number of Entities Consolidated Variable Interest Entity, Number of Entities Consolidated Document Period End Date Document Period End Date Adoption Date Trading Arrangement Adoption Date Financing leases Finance Lease, Weighted Average Discount Rate, Percent Lease liabilities - non-current portion, finance lease Finance Lease, Liability, Noncurrent Class A common stock in treasury Treasury Stock, Common Treasury Stock, Common [Member] Number of purchase option contracts to provide CNG Number Of Purchase Option Contracts Number Of Purchase Option Contracts Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Accounts payable, related party Increase (Decrease) in Accounts Payable, Related Parties Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Provision for income taxes Income Tax Expense (Benefit) Reynolds Reynolds RNG LLC [Member] Reynolds RNG LLC Non-US Non-US [Member] Accounts receivable retainage, net Contract With Customer, Asset, After Allowance For Credit Loss, Retainage, Current Contract With Customer, Asset, After Allowance For Credit Loss, Retainage, Current Finance leases Finance Lease, Right-of-Use Asset, after Accumulated Amortization Debt reserve Restricted Cash, Current, Debt Reserve Restricted Cash, Current, Debt Reserve Number of operating segments Number of Operating Segments Weighted average remaining lease term (years) Weighted Average Remaining Lease Term [Abstract] Weighted Average Remaining Lease Term Site lease expenses Site Lease Expense Site Lease Expense Site leases Site [Member] Site Equipment loan Equipment Loan [Member] Equipment Loan Equity Equity [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Preferred stock redemption price (in dollars per share) Preferred Stock, Redemption Price Per Share Contribution by the Company Equity Method Investments, Contributions Equity Method Investments, Contributions Money Market Funds Money Market Funds [Member] Unrealized loss on derivative financial instruments Unrealized Gain (Loss) on Derivatives Comprehensive loss attributable to Class A common stockholders Comprehensive Income (Loss) Available To Common Stockholders Comprehensive Income (Loss) Available To Common Stockholders Cash and cash equivalents (includes $1,160 and $166 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Withheld for settlement of taxes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Credit Facility [Domain] Credit Facility [Domain] Billings in excess of costs and estimated earnings Contract With Customer, Liability, Billings In Excess Of Costs And Estimated Earnings, Current Contract With Customer, Liability, Billings In Excess Of Costs And Estimated Earnings, Current Withheld for settlement of taxes Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Shares Withheld For Tax Withholding Obligation Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Shares Withheld For Tax Withholding Obligation Basis spread on permanent loan Debt Instrument, Basis Spread on Variable Rate Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Number of derivative instruments held Derivative, Number of Instruments Held Receivables, Contract Assets and Contract Liabilities From Contracts With Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Discount based on incremental borrowing rate, finance lease Finance Lease, Liability, Undiscounted Excess Amount Scenario, Plan Scenario, Plan [Member] Additional paid-in capital Additional Paid-in Capital [Member] B. Riley Securities, Inc., Cantor Fitzgerald & Co. And Stifel, Nicolaus & Company, Incorporated ("Agent") B. Riley Securities, Inc., Cantor Fitzgerald & Co. And Stifel, Nicolaus & Company, Incorporated ("Agent") [Member] B. Riley Securities, Inc., Cantor Fitzgerald & Co. And Stifel, Nicolaus & Company, Incorporated ("Agent") Vehicles Vehicles [Member] Income from equity method investments Income from equity method investments Net income from equity method investment Net loss from equity method investments Equity Method Investment(s) Income (Loss) from Equity Method Investments Revision of Prior Period [Axis] Revision of Prior Period [Axis] Cover [Abstract] Rent per gasoline gallon equivalent (in dollars per gasoline gallon equivalent) Lessee, Finance Lease, Rent Per Gasoline Gallon Equivalent Lessee, Finance Lease, Rent Per Gasoline Gallon Equivalent Compressed Natural Gas (CNG) Natural Gas, Compressed [Member] Natural Gas, Compressed Amortization of deferred financing costs Amortization of deferred financing cost Amortization of Debt Issuance Costs Redeemable non-controlling interests Redeemable non-controlling interests Redeemable Noncontrolling Interest [Member] Redeemable Noncontrolling Interest Fair Value, Recurring Fair Value, Recurring [Member] Other long-term liabilities (includes $1,297 and $211 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Other long-term liabilities Other Liabilities, Noncurrent Future minimum lease payments, operating lease Lessee, Operating Lease, Liability, to be Paid Backlog Revenue, Remaining Performance Obligation, Amount Short term investments Short-Term Investments Preferred stock conversion, VWAP period Preferred Stock Conversion, Volume Weighted Average Price, Period Preferred Stock Conversion, Volume Weighted Average Price, Period Weighed average effective interest rate Long-Term Debt, Weighted Average Interest Rate, over Time Amortization of right-of-use assets - finance leases Finance Lease, Right-of-Use Asset, Amortization Reportable Segments and Geographic Information Segment Reporting Disclosure [Text Block] Net decrease in cash, restricted cash, and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect OPAL Term Loan OPAL Term Loan Secured Debt Secured Debt [Member] Additional renewal term (in years) Lessee, Operating Lease, Renewal Term Equity Component [Domain] Equity Component [Domain] Accrued capital expenses Accrued Capital Expenses, Current Accrued Capital Expenses, Current Lease liabilities - current portion, finance lease Finance Lease, Liability, Current Discount based on incremental borrowing rate Operating Lease And Finance Lease, Liability, Undiscounted Excess Amount Operating Lease And Finance Lease, Liability, Undiscounted Excess Amount Office leases Office And Warehouse Space [Member] Office And Warehouse Space Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Current Reporting Status Entity Current Reporting Status Concentration Risk Type [Domain] Concentration Risk Type [Domain] Operating income (loss) Operating Income (Loss) 2022 Plan 2022 Omnibus Equity Incentive Plan ("2022 Plan") [Member] 2022 Omnibus Equity Incentive Plan ("2022 Plan") Leases Lessor, Leases [Policy Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Dividends on redeemable preferred non-controlling interests Temporary Equity, Distributions To Redeemable Preferred Noncontrolling Interest Holders Temporary Equity, Distributions To Redeemable Preferred Noncontrolling Interest Holders Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Payment of asset retirement obligations during the year Asset Retirement Obligation, Liabilities Incurred Segments [Axis] Segments [Axis] Scenario [Domain] Scenario [Domain] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Variable Rate [Domain] Variable Rate [Domain] Capital expenditure Property, Plant and Equipment, Additions Number of votes per share Common Stock, Number Of Votes Per Share Common Stock, Number Of Votes Per Share Pay vs Performance Disclosure [Line Items] Statistical Measurement [Domain] Statistical Measurement [Domain] Granted Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Fair Value, Grants In Period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Fair Value, Grants In Period Underlying Security Market Price Change Underlying Security Market Price Change, Percent Preferred stock liquidation preference (in dollars per share) Preferred Stock, Liquidation Preference Per Share Costar Costar Partners LLC ("Costar") [Member] Costar Partners LLC ("Costar") Major Maintenance Maintenance Cost, Policy [Policy Text Block] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Borrowings Debt Disclosure [Text Block] 2028 and beyond, finance lease Finance Lease, Liability, To Be Paid, After Year Four Finance Lease, Liability, To Be Paid, After Year Four Statement of Stockholders' Equity [Abstract] Revolving Credit Facility Revolving Credit Facility [Member] Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] NextEra NextEra [Member] NextEra Equity Method Investments and Joint Ventures [Abstract] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Performance Shares Performance Shares [Member] Segment Reporting [Abstract] Parts inventory (includes $29 and $29 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Parts inventory Parts inventory Inventory, Parts and Components, Net of Reserves Restatement Determination Date: Restatement Determination Date [Axis] Investment, Name [Axis] Investment, Name [Axis] Monthly fee, maximum Related Party Transaction, Monthly Fee, Maximum Related Party Transaction, Monthly Fee, Maximum Commitments and contingencies Commitments and Contingencies Fortistar Fortistar LLC ("Fortistar") [Member] Fortistar LLC ("Fortistar") Cash paid for Purchases of Property, Plant, and Equipment: Segment, Expenditure, Addition to Long-Lived Assets Proceeds from issuance of shares of Class A common stock under the ATM program, net Proceeds from Issuance of Common Stock Granted Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Grants In Period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Grants In Period Schedule of Goodwill [Table] Schedule of Goodwill [Table] Geographical [Axis] Geographical [Axis] Weighted average discount rate Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Income taxes Income Tax Disclosure [Text Block] Contract liabilities Increase (Decrease) in Contract with Customer, Liability Virtual pipeline costs Virtual Pipeline Expense Virtual Pipeline Expense Service fees per year Related Party Transaction, Service Fees, Fixed Annual Payment Amount Related Party Transaction, Service Fees, Fixed Annual Payment Amount Gross property, plant, equipment and finance leases Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Leases Lessee, Leases [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Other comprehensive income (loss) attributable to redeemable non-controlling interests Other comprehensive income (loss) Other Comprehensive Income (Loss), Net Of Tax, Attributable To Nonredeemable Noncontrolling Interest Other Comprehensive Income (Loss), Net Of Tax, Attributable To Nonredeemable Noncontrolling Interest Weighted average fair value per unit on grant date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Preferred stock redemption period after which redeemable Preferred Stock Redemption, Period After Which Redeemable Preferred Stock Redemption, Period After Which Redeemable Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] PEO Total Compensation Amount PEO Total Compensation Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Goodwill [Roll Forward] Goodwill [Roll Forward] Renewable Power sales Renewable Power Sales [Member] Renewable Power Sales Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Class A common stock, in treasury, at cost (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Leases Lessor, Operating Leases [Text Block] Unvested stock options, beginning balance (in shares) Unvested stock options, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Interest income Interest Income, Interest-Earning Asset Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Short term investments Investments, Fair Value Disclosure Granted, Weighted average fair value per stock option on grant date (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Net Income (Loss) Net Income (Loss) Total current liabilities Liabilities, Current Total right-of-use assets Operating And Finance Lease, Right-Of-Use Asset Operating And Finance Lease, Right-Of-Use Asset Derivative Contract [Domain] Derivative Contract [Domain] Preferred dividends attributable to OPAL Fuels Temporary Equity, Accretion Of Dividends, Attributable To Parent Temporary Equity, Accretion Of Dividends, Attributable To Parent 2025, finance lease Finance Lease, Liability, to be Paid, Year Two Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Company Selected Measure Name Company Selected Measure Name Leases Lessee, Operating Leases [Text Block] Property, plant, and equipment, net (includes $26,254 and $26,626 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Property, plant and equipment, net Property, plant, and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Parts inventory Increase (Decrease) In Parts Inventories Increase (Decrease) In Parts Inventories Paid in kind dividends Dividends, Paid-in-kind Liabilities and Stockholders' Deficit Liabilities and equity Liabilities and Equity [Abstract] Entity Ex Transition Period Entity Ex Transition Period Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Dividends on Redeemable preferred non-controlling interests Dividends on redeemable preferred non-controlling interests Redeemable Preferred Stock Dividends Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Variable Rate, Fixed Margin, Period One Variable Rate, Fixed Margin, Period One [Member] Variable Rate, Fixed Margin, Period One Cost of sales Cost of Goods and Services Sold Vesting term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period RNG Fuel RNG Fuel Renewable Natural Gas Fuel Supply Segment [Member] Renewable Natural Gas Fuel Supply Segment Stock-based Compensation Expense Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Class B common stock Class B common stock Common Class B [Member] Discount rate for operating and finance leases Lessee, Operating And Finance Lease, Discount Rate Lessee, Operating And Finance Lease, Discount Rate Name Measure Name Name Forgone Recovery, Individual Name Goodwill Goodwill, beginning balance Goodwill, ending balance Goodwill Number of noncontrolling interests in renewable natural gas project subsidiaries Variable Interest Entity, Number Of Project Subsidiary Variable Interest Entity, Number Of Project Subsidiary Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Asset Acquisition [Domain] Asset Acquisition [Domain] Underlying Securities Award Underlying Securities Amount Maximum debt to worth ratio Debt Instrument, Covenant, Debt To Worth Ratio, Maximum Debt Instrument, Covenant, Debt To Worth Ratio, Maximum Accounts receivable Increase (Decrease) in Accounts Receivable Certain Employees Certain Employees [Member] Certain Employees Forecast Forecast [Member] Transaction [Domain] Transaction [Domain] Nine months ending December 31, 2024 Long-Term Debt, Maturity, Remainder of Fiscal Year Swaption 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 Operating lease liabilities - non-current portion Operating Lease, Liability, Noncurrent Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Term of loan (in years) Debt Instrument, Term Renewable Power Renewable Power Renewable Power Segment [Member] Renewable Power Segment Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Financing fees paid Payments of Debt Issuance Costs Number of standby letters of credit held Number Of Standby Letters Of Credits Held Number Of Standby Letters Of Credits Held Revision of Prior Period, Reclassification, Adjustment Revision of Prior Period, Reclassification, Adjustment [Member] Future Minimum Lease Payments - Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Dilutive effect of stock options, restricted stock units, performance units, Convertible note payable, earnout shares, Redeemable preferred non-controlling interests, Redeemable non-controlling interests (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Note receivable - variable fee component 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 Risk free interest rate Measurement Input, Risk Free Interest Rate [Member] Product and Service [Domain] Product and Service [Domain] Repayment of Municipality loan Repayments of Other Long-Term Debt Redeemable non-controlling interests Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Other Performance Measure, Amount Other Performance Measure, Amount Right-Of-Use Assets And Lease Liabilities Lease, Cost [Table Text Block] Forfeiture of Class A common stock (in shares) Forfeited shares (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, Forfeited Contract assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Standby Letters of Credit Standby Letters of Credit [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Asset retirement obligation, current portion Less: current portion Asset Retirement Obligation, Current Derivative Instruments and Hedging Activities Disclosure [Abstract] 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 Plan Name [Domain] Plan Name [Domain] Fuel tax credits receivable Income Taxes Receivable, Current Accrual for purchase of Property, plant and equipment included in Accounts payable and Accrued capital expenses Capital Expenditures Incurred but Not yet Paid Nine months ending December 31, 2024 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Trading Arrangement: Trading Arrangement [Axis] Schedule of Interest Expense on Borrowings Interest Income and Interest Expense Disclosure [Table Text Block] Use of estimates Use of Estimates, Policy [Policy Text Block] Exercise of put option forward purchase contract - Meteora (in shares) Treasury Stock, Shares, Acquired, Fair Value Treasury Stock, Shares, Acquired, Fair Value Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Total unvested awards outstanding, Weighted Average Grant Date Fair Value (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options And Equity Instruments Other Than Options, Outstanding And Nonvested, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options And Equity Instruments Other Than Options, Outstanding And Nonvested, Weighted Average Grant Date Fair Value Entity File Number Entity File Number Discount rate Measurement Input, Discount Rate [Member] Derivative, term of contract Derivative, Term of Contract 2027 Long-Term Debt, Maturity, Year Three Amortization expense Amortization of Intangible Assets Entity Shell Company Entity Shell Company Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Restatement Determination Date Restatement Determination Date Fuel tax credits payable Increase (Decrease) in Income Taxes Payable Net income (loss) 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 Dividends on redeemable preferred non-controlling interests Temporary Equity, Dividends, Adjustment Plant and equipment Plant and Equipment [Member] Plant and Equipment Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash, restricted cash, and cash equivalents, beginning of period Cash, restricted cash, and cash equivalents, end of period Total cash, cash equivalents, and restricted cash Cash and cash equivalents and restricted cash - current and non-current Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Expected term Measurement Input, Expected Term [Member] Municipality Loan Municipality Loan Loans Payable [Member] Lease expense Operating Lease, Cost Environmental credits held for sale Asset, Held-for-Sale, Not Part of Disposal Group, Current Common stock, shares issued (in shares) Common Stock, Shares, Issued Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Class A common stock in treasury, at cost; 1,635,783 shares at March 31, 2024 and December 31, 2023 Treasury Stock, Common, Value Total Long-Term Debt Amount sold Sale of Stock, Consideration Received on Transaction Opal Fuels Opal Fuels [Member] Opal Fuels 2028 Long-Term Debt, Maturity, Year Four Number of variable interest entities Variable Interest Entity, Number Of Entities Variable Interest Entity, Number Of Entities Class A common stock Common Class A [Member] Aggregate fair value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Fair Value [Roll Forward] Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Fair Value Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Number of natural gas producers Number Of Natural Gas Producers Number Of Natural Gas Producers Share price Measurement Input, Share Price [Member] 2024, finance lease Finance Lease, Liability, to be Paid, Year One Weighted average fair value per stock options on grant date Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Commodity Contract, Contract One Commodity Contract, Contract One [Member] Commodity Contract, Contract One Subsequent Event Subsequent Event [Member] Net loss attributable to redeemable non-controlling interests Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Schedule of Intangible Assets with Definite Lives Schedule of Finite-Lived Intangible Assets [Table Text Block] Other current liabilities (includes $94 and $92 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Other current liabilities Other current liabilities Other Liabilities, Current Income Statement [Abstract] Share conversion Conversion of Stock, Amount Converted Contract assets Increase (Decrease) in Contract with Customer, Asset Issuance of Class A common stock under the ATM program (in shares) Stock issued (in shares) Stock Issued During Period, Shares, New Issues Pipelines Pipelines [Member] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Beginning balance Ending balance Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Aggregate Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Aggregate Fair Value Staffing and management services Staffing and Management Services [Member] Staffing and Management Services Other comprehensive income (loss): Other Comprehensive Income (Loss), Tax [Abstract] Investment in other entities Beginning balance Ending balance Equity Method Investment(s) Equity Method Investments Net income from equity method investment Equity Method Investment, Income (Loss), Gross Equity Method Investment, Income (Loss), Gross Land Land [Member] Capital spares Inventory, Noncurrent Management services Professional and Contract Services Expense Financial Instrument [Axis] Financial Instrument [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Lease liabilities - non-current portion Operating And Finance Lease, Liability, Noncurrent Operating And Finance Lease, Liability, Noncurrent Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Segments [Domain] Segments [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Other Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Consolidation Items [Domain] Consolidation Items [Domain] Accumulated deficit Retained Earnings (Accumulated Deficit) Issuance of Class A common stock for vesting of equity awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Proceeds from short term investments Proceeds from Sale of Short-Term Investments Aggregate principal amount Debt Instrument, Face Amount Current assets: Current assets: Current assets: Assets, Current [Abstract] Leases [Abstract] Accounts receivable, related party Accounts Receivable, before Allowance for Credit Loss, Current Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Future minimum lease payments, finance lease Finance Lease, Liability, to be Paid Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Minimum debt to cash flow ratio after delayed draw availability period Debt Instrument, Covenant, Debt To Cash Flow Ratio After Delayed Draw Availability Period, Minimum Debt Instrument, Covenant, Debt To Cash Flow Ratio After Delayed Draw Availability Period, Minimum Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Total consideration from related parties Other Receivables Fuel Provider Agreements ("FPAs") Fuel Provider Agreements ("FPAs") [Member] Fuel Provider Agreements ("FPAs") Paid-in-kind preferred dividend Dividends, Preferred Stock, Paid-in-kind Class of Stock [Domain] Class of Stock [Domain] Vested and exercisable, Exercise price per Stock Option (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Exercise Price Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Exercise Price Customer [Domain] Customer [Domain] Net loss attributable to OPAL Fuels LLC, basic Net loss attributable to Class A common stockholders Net Income (Loss) Available to Common Stockholders, Basic Stock Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Preferred stock conversion price (in dollars per share) Preferred Stock, Conversion Price Preferred Stock, Conversion Price Effective portion of the cash flow hedge attributable to equity method investments Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after Adjustments and Tax Effective tax rate Effective Income Tax Rate Reconciliation, Percent Lease liabilities, operating lease Operating Lease, Liability Increase (Decrease) In Temporary Equity, Units [Roll Forward] Increase (Decrease) In Temporary Equity, Units [Roll Forward] Increase (Decrease) In Temporary Equity, Units Proceeds from non-redeemable non-controlling interest Noncontrolling Interest, Increase from Subsidiary Equity Issuance Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] OPAL Earnout Awards Opal Earnout Shares [Member] Opal Earnout Shares Service Service [Member] Asset Acquisition [Axis] Asset Acquisition [Axis] Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Aggregate fair value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value [Roll Forward] Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value SJI SJI Landfill RNG LLC (“SJI LRNG”) [Member] SJI Landfill RNG LLC (“SJI LRNG”) Prepaid expense and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other comprehensive income AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Project Development and Startup Costs Schedule Of Start-Up Activities, Cost [Table Text Block] 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Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other income (expense) Other income (expense) Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Proceeds from OPAL Term Loan Proceeds from Issuance of Secured Debt Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Statement [Table] Statement [Table] Earn out liabilities Business Combination, Contingent Consideration, Liability, Noncurrent OPAL Term Loan, net of debt issuance costs Secured Long-Term Debt, Noncurrent Current Fiscal Year End Date Current Fiscal Year End Date PEO Name PEO Name Dividend yield Measurement Input, Expected Dividend Rate [Member] Credit Agreement Credit Agreement [Member] Credit Agreement Restricted cash - current (includes $1,012 and $4,395 at March 31, 2024 and December 31, 2023, respectively, related to 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Statement of Financial Position [Extensible Enumeration] Arrangement Duration Trading Arrangement Duration Redemption price (in dollars per share) Temporary Equity, Redemption Price Per Share Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] 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] Related Party Related Party [Member] Common Class C Class C common stock Common Class C [Member] Environmental Attributes Environmental Attributes [Member] Environmental Attributes Swaption Swaption [Member] Fair value measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Brown gas sales Brown Gas [Member] Brown Gas Termination Date Trading Arrangement Termination Date Term Secured Overnight Financing Rate (SOFR) Term Secured Overnight Financing Rate (SOFR) [Member] Term Secured Overnight Financing Rate (SOFR) Common stock, shares authorized (in shares) Common Stock, Shares Authorized Sunoma Loan Sunoma Loan Sunoma Loan Construction Loans [Member] Loss on warrant exchange Loss on warrant exchange Loss On Exchange Of Warrants Loss On Exchange Of Warrants Document Information [Table] Document Information [Table] Earnout Target Earnout Target [Member] Earnout Target Senior Secured Credit Facility Senior Secured Credit Facility [Member] Senior Secured Credit Facility Number of installments Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Installments Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Installments Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] Derivative [Line Items] Derivative [Line Items] Award Timing Disclosures [Line Items] Amortization rate Debt Instrument, Amortization Rate Debt Instrument, Amortization Rate Title of Individual [Domain] Title of Individual [Domain] Number of vehicles Number Of Vehicles Number Of Vehicles Royalties Royalty Expense 2028 and beyond Operating And Finance Lease Liability, To Be Paid, After Year Four Operating And Finance Lease Liability, To Be Paid, After Year Four Additional paid-in capital Additional Paid in Capital Reclassification [Table] Reclassification [Table] Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Document Information [Line Items] Document Information [Line Items] Income Taxes Income Tax, Policy [Policy Text Block] Prepaid expense and other current assets (includes $113 and $107 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Insider Trading Arrangements [Line Items] 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] Related Party [Axis] Related Party, Type [Axis] Aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Changes in Redeemable Preferred Units Temporary Equity [Table Text Block] Intellectual property Intellectual Property [Member] Entity Registrant Name Entity Registrant Name Amortization of basis difference Equity Method Investment, Amortization Of Basis Difference Equity Method Investment, Amortization Of Basis Difference Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two Adjustment to Compensation, Amount Adjustment to Compensation Amount Non-redeemable non-controlling interests Equity, Attributable to Noncontrolling Interest Average Contract Price (per MWh) Derivative, Contract Price, Average Derivative, Contract Price, Average Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Preferred stock dividend rate Preferred Stock, Dividend Rate, Percentage Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Vested and exercisable, Weighted average fair value per stock option on grant date (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Preferred Units [Line Items] Preferred Units [Line Items] Entity Central Index Key Entity Central Index Key Liabilities: Liabilities, Fair Value Disclosure [Abstract] Gain on Earnout Awards Business Combination, Deconsolidation And Equity Method Investments, Gain (Loss), Amount Business Combination, Deconsolidation And Equity Method Investments, Gain (Loss), Amount Sunoma Loan, net of debt issuance costs (includes $19,609 and $20,010 at March 31, 2024 and December 31, 2023, respectively, related to consolidated VIEs) Sunoma Loan, net of debt issuance costs Sunoma loan, net of debt issuance costs Long-Term Construction Loan, Noncurrent Stock-based compensation expense Share-Based Payment Arrangement, Expense Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Cost Finite-Lived Intangible Assets, Gross Accrued payroll Employee-related Liabilities, Current Financing costs paid to other third parties Payments of Financing Costs Revenue Benchmark Revenue Benchmark [Member] Name Trading Arrangement, Individual Name Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Disaggregation of Revenue By Product Line Disaggregation of Revenue [Table Text Block] Accretion expense related to asset retirement obligation Accretion expense Asset Retirement Obligation, Accretion Expense Issuance of Class A common stock under the ATM program Stock Issued During Period, Value, New Issues Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] 2027 Operating And Finance Lease Liability, To Be Paid, Year Four Operating And Finance Lease Liability, To Be Paid, Year Four Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding Intangible Assets, Net Intangible Assets Disclosure [Text Block] Legal Entity [Axis] Legal Entity [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Asset retirement obligation, non-current portion Total asset retirement obligation, net of current portion Asset Retirement Obligations, Noncurrent Operating leases Operating Lease, Weighted Average Discount Rate, Percent Interest paid, net of $1,444 and $5,475 capitalized, respectively Interest Paid, Excluding Capitalized Interest, Operating Activities Assets: Assets, Fair Value Disclosure [Abstract] Preferred units, shares issued (in shares) Temporary Equity, Shares Issued Earnout Liabilities Business Combinations Policy [Policy Text Block] Senior Secured Credit Facility - Debt Reserve And Liquidity Facility Senior Secured Credit Facility 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Repayments Of Long-Term Construction Loan Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] OPAL Term Loan OPAL Term Loan Opal Term Loan [Member] Opal Term Loan Summary of Equity Awards Under 2022 Plan Share-Based Compensation Arrangements by Share-Based Payment Award, Restricted Stock Units, Vested and Expected to Vest [Table Text Block] OCI Fuels B.V. ("OCI") OCI Fuels B.V. ("OCI") [Member] OCI Fuels B.V. 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