Other long-term assets Derivative Asset, Noncurrent Draws on letters of credit Draws on standby letters of credit Proceeds from Long-Term Lines of Credit Common stock, number of votes per share Common Stock, Number Of Votes Per Share Common Stock, Number Of Votes Per Share 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] Statistical Measurement [Domain] Statistical Measurement [Domain] Related Parties Related Party Transactions Disclosure [Text Block] Cash paid for purchases of property, plant and equipment Segment, Expenditure, Addition to Long-Lived Assets Equity Method Investment Entities Equity Method Investment Entities [Member] Equity Method Investment Entities Contract assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] 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Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Investment in other entities Beginning balance Ending balance Equity Method Investments Pay vs Performance Disclosure [Line Items] Fortistar Fortistar LLC ("Fortistar") [Member] Fortistar LLC ("Fortistar") Line of Credit Facility [Table] Line of Credit Facility [Table] Revenues, adjusted Revenues, Adjusted Revenues, Adjusted Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Accounts receivable Increase (Decrease) in Accounts Receivable Derivative [Table] Derivative [Table] Operating lease liabilities - current and non-current Increase (Decrease) in Operating Lease Liability Share conversion Conversion of Stock, Amount Converted Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivatives Fair Values on Balance Sheet Schedule of Derivative Instruments in Statement of Financial 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Assets, Noncurrent Interest expense on finance leases Finance Lease, Interest Expense Warrants expiration period Warrants and Rights Outstanding, Term Interest and financing expense, net Total interest expense Interest and financing expense, net Interest And Financing Expense, Net Interest And Financing Expense, Net Proceeds from investment tax credit Proceeds from Investment Tax Credit Proceeds from Investment Tax Credit Contract liabilities Contract liabilities Contract with Customer, Liability, Current Plan Name [Domain] Plan Name [Domain] Number of facilities Number Of Facilities Number Of Facilities Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Other long-term assets (includes $37 and $— at March 31, 2025 and December 31, 2024, related to consolidated VIEs) Other long-term assets Other Assets, Noncurrent Entity Tax Identification Number Entity Tax Identification Number Leases [Abstract] Asset retirement obligation, measurement input Asset Retirement 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And Other Derivatives Schedule of Derivative Instruments [Table Text Block] Intersegment Eliminations Intersegment Eliminations [Member] OPAL Term Loan and Revolving Loan OPAL Term Loan Secured Debt Secured Debt [Member] Plan Name [Axis] Plan Name [Axis] Accretion expense related to asset retirement obligation Asset Retirement Obligation, Accretion Expense 2030 and beyond, finance lease Finance Lease, Liability, to be Paid, after Year Five Other Other Products And Services [Member] Other Products And Services Equity Components [Axis] Equity Components [Axis] Future minimum lease payments, finance lease Finance Lease, Liability, to be Paid Preferred dividends attributable to OPAL Fuels Temporary Equity, Accretion Of Dividends, Attributable To Parent Temporary Equity, Accretion Of Dividends, Attributable To Parent Effective portion of the cash flow hedge attributable to equity method investments Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), after 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Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Interest income Interest Income, Interest-Earning Asset Number of standby letters of credit held Number Of Standby Letters Of Credits Held Number Of Standby Letters Of Credits Held Fuel tax credits payable Accrued Income Taxes, Current Derivatives not designated as hedging instruments Not Designated as Hedging Instrument, Economic Hedge [Member] Recorded Unconditional Purchase Obligation, Category [Domain] Recorded Unconditional Purchase Obligation, Category [Domain] Security Exchange Name Security Exchange Name 2026, finance lease Finance Lease, Liability, to be Paid, Year One Corporate And Eliminations Corporate And Eliminations [Member] Corporate And Eliminations Award Type [Axis] Award Type [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Third party construction Third Party Construction [Member] Third Party Construction Investment tax credit, purchase agreement Investment Tax 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C E I [Member] V E C Partners Inc Dba C E I Builders C E I Project development and startup costs Research and Development Expense Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Revolving Credit Facility Revolving Credit Facility [Member] Expiration Date Trading Arrangement Expiration Date 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 Property lease, term Property Lease, Term Property Lease, Term Right-of-use assets for finance leases included in Property, Plant and equipment, net Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] 2030 Operating And Finance Lease Liability, To Be Paid, Year Five Operating And Finance Lease Liability, To Be Paid, Year Five Total Shareholder Return Amount Total Shareholder Return Amount Common stock, shares issued (in shares) Common Stock, Shares, Issued Fuel tax credits payable Increase (Decrease) in Income Taxes Payable Entity [Domain] Entity [Domain] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Concentration risk percentage Concentration Risk, Percentage Term of purchase option contract (in years) Long-Term Purchase Commitment, Period Total commodity swaps - liability Commodity swap contracts Derivative Liability 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Long-Term Debt, Weighted Average Interest Rate, over Time Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Diluted (in shares) Weighted average number of shares of Class A common stock - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted 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 Wasatch Interest Wasatch Interest [Member] Wasatch Interest MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] 2025 Operating And Finance Lease Liability, To Be Paid, Remainder of Fiscal Year Operating And Finance Lease Liability, To Be Paid, Remainder of Fiscal Year Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Accounts Payable Accounts Payable [Member] Total Stockholders' equity (deficit) attributable to the Company Equity, Attributable to Parent Proceeds from issuance Proceeds from Issuance of Debt Net income Temporary Equity, Net Income Related Party Related Party [Member] Hedging Designation [Domain] Hedging Designation [Domain] Contract liabilities: Contract with Customer, Liability [Abstract] 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 Prepaid expenses and other current assets Derivative Asset, Current GREP GREP BTB Holdings LLC (“GREP”) [Member] GREP BTB Holdings LLC (“GREP”) Concentration Risk Type [Domain] Concentration Risk Type [Domain] Investment Tax Credits Income Tax Uncertainties, Policy [Policy Text Block] Accounts payable, related party Increase (Decrease) in Accounts Payable, Related Parties Standby letters of credit outstanding balance Letters of Credit Outstanding, Amount Selling, general, and administrative Selling, General and Administrative Expense Opal Fuels Opal Fuels [Member] Opal Fuels Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Fair Value, Recurring Fair Value, Recurring [Member] Accounts receivable, net (includes $353 and $435 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accounts receivable, net Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Subsidiary, ownership percentage, parent Subsidiary, Ownership Percentage, Parent Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Dividends on redeemable preferred non-controlling interests Temporary Equity, Dividends, Adjustment Total Long-Term Debt Pension Adjustments Prior Service Cost Pension 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Benefits Adjustments, Footnote [Text Block] 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] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Issuance of Class A common stock for vesting of equity awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Class B Ordinary Share Class B Ordinary Share [Member] Class B Ordinary Share Nonrelated Party Nonrelated Party [Member] 2028, finance lease Finance Lease, Liability, to be Paid, Year Three Business combination, contingent consideration, liability, noncurrent Business Combination, Contingent Consideration, Liability, Noncurrent Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Recorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Notional quantity Derivative, Nonmonetary Notional Amount, Energy Measure Other (expense) income: Other Income and Expenses [Abstract] Profit Interests Profit Interests [Member] Profit Interests Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Change in redemption value of Redeemable non-controlling interests Temporary Equity, Accretion to Redemption Value, Adjustment Receivables, Contract Assets and Contract Liabilities From Contracts With Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Depreciation, amortization, and accretion Depreciation, Amortization and Accretion, Net Subsequent Event [Table] Subsequent Event [Table] Maximum Maximum [Member] Schedule of Preferred Units [Table] Partners' Capital, Master Limited Partnership, Preferred Unit [Table] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text 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Non-PEO NEO [Member] Staffing and management services Staffing and Management Services [Member] Staffing and Management Services Renewable Power Renewable Power [Member] Renewable Power Interest rate swap contracts Investments, Fair Value Disclosure Additional paid-in capital Additional Paid-in Capital [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Award Timing Predetermined Award Timing Predetermined [Flag] Contract assets Increase (Decrease) in Contract with Customer, Asset Subsequent Event Type [Domain] Subsequent Event Type [Domain] Net income from equity method investment Equity Method Investment, Income (Loss), Gross Equity Method Investment, Income (Loss), Gross Investment, Name [Axis] Investment, Name [Axis] Dividends on redeemable preferred non-controlling interests Redeemable Preferred Stock Dividends, Non-controlling Interest, Equity Adjustment Redeemable Preferred Stock Dividends, Non-controlling Interest, Equity Adjustment Restricted cash - non-current 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Dividends, Noncontrolling Interest Stockholders' equity (deficit) Members' Equity [Abstract] Interest and financing expense, net Change in fair value of derivative instruments, net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Commodity swap contracts Derivative Asset Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Leases Lessor, Leases [Policy Text Block] Exercise Year 1 Exercise Year 1 [Member] Exercise Year 1 Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Environmental credits Environmental Credits [Member] Environmental Credits Effect of Derivative Instruments on Statement of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Service Service [Member] Total other expenses Nonoperating Income (Expense) Statement of Comprehensive Income [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Operating (loss) income Operating Income (Loss) Fuel Provider Agreements ("FPAs") Fuel Provider Agreements ("FPAs") [Member] Fuel Provider Agreements ("FPAs") 2025, finance lease Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Total liabilities, Redeemable preferred non-controlling interests, Redeemable non-controlling interests and Stockholders' equity (deficit) Liabilities and Equity Subsequent Events Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Equity Method Investments Equity Method Investments [Table Text Block] Accrued payroll (includes $22 and $45 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accrued payroll Employee-related Liabilities, Current Prepaid expense and other current and long-term assets Increase (Decrease) in Prepaid Expense and Other Assets Additional paid-in capital Additional Paid in Capital Parts Inventory Inventory Supplies, Policy [Policy Text Block] Hedging Designation [Axis] Hedging Designation [Axis] Accrued expenses and other current liabilities Derivative Liability, Current 2027, finance lease Finance Lease, Liability, to be Paid, Year Two Pine Bend, Sunoma And Noble Road Pine Bend, Sunoma And Noble Road [Member] Pine Bend, Sunoma And Noble Road Commitments and Contingencies Disclosure [Abstract] Legal Entity [Axis] Legal Entity [Axis] Class D common stock Common Class 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comprehensive income (loss) AOCI Attributable to Parent [Member] Land2Gas SJI Landfill RNG LLC (“SJI LRNG”) [Member] SJI Landfill RNG LLC (“SJI LRNG”) Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Product and Service [Axis] Product and Service [Axis] Entity Address, State or Province Entity Address, State or Province Statement [Line Items] Statement [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Derivative Instruments and Hedging Activities Disclosure [Abstract] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Fees Upon Entering Into Management Services Agreement with Related Party and Various Balances for Related Parties Schedule of Related Party Transactions [Table Text Block] Change in fair value of commodity swaps Unrealized Gain (Loss) On Convertible Notes Payable Unrealized Gain (Loss) On Convertible Notes Payable Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Liabilities and Stockholders' Equity (Deficit) Liabilities and Equity [Abstract] Interest capitalized Interest Paid, Capitalized, Investing Activities Derivative Financial Instruments and Fair Value Measurements Derivatives and Fair Value [Text Block] Estimated loss from claim Loss Contingency, Estimate of Possible Loss Series A-1 preferred units(1) Series A-1 Preferred Stock [Member] Series A-1 Preferred Stock Sponsor Letter Agreement Sponsor Letter Agreement [Member] Sponsor Letter Agreement Sunoma Loan Sunoma Loan Sunoma Loan Construction Loans [Member] Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Warrants, measurement input Warrants and Rights Outstanding, Measurement Input Related Party Transactions [Abstract] Fuel tax credits receivable Increase (Decrease) in Income Taxes Receivable Future minimum lease payments Operating And Finance Lease Liability, To Be Paid Operating And Finance Lease Liability, To Be Paid Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Rent - fixed compensation Rent - Fixed Compensation [Member] Rent - Fixed Compensation Parts sales Parts [Member] Parts Segments [Axis] Segments [Axis] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Stock-based Compensation Expense Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Cash paid to equity method investments Payments to Acquire Equity Method Investments Derivative Instrument [Axis] Derivative Instrument [Axis] Long-term debt, gross Debt outstanding Long-Term Debt, Gross Distributions received from equity method investment Distributions from return of investment in equity method investment Proceeds from Equity Method Investment, Distribution, Return of Capital Accounts receivable, related party Increase (Decrease) in Accounts Receivable, Related Parties Exercise Price Award Exercise Price Net Loss Per Share Earnings Per Share [Text Block] Accrued payroll Increase (Decrease) in Employee Related Liabilities Arrangement Duration Trading Arrangement Duration Accounts payable Accounts payable Accounts payable, related party Accounts Payable, Other, Current Subsequent Event Subsequent Event [Member] Credit Agreement Credit Agreement [Member] Credit Agreement Leases Lessee, Finance Leases [Text Block] Operating expenses: Costs and Expenses [Abstract] Net unrealized loss on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Gain on net periodic settlements Derivative Instruments Not Designated As Hedging Instruments, Net Periodic Settlements Derivative Instruments Not Designated As Hedging Instruments, Net Periodic Settlements Sunoma Loan, net of debt issuance costs (includes $17,940 and $18,373 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Sunoma Loan, net of debt issuance costs Long-Term Construction Loan, Noncurrent Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Other Income Other Income Future Minimum Lease Payments - Finance Leases Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Segments [Domain] Segments [Domain] RNG Fuel (includes revenues from related party of $20,101 and $15,495 for the three months ended March 31, 2025 and 2024, respectively) RNG Fuel Natural Gas, Renewable [Member] Natural Gas, Renewable Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Repayment of equipment loan Repayments Of Equipment Loans Repayments Of Equipment Loans All Individuals All Individuals [Member] Depreciation and amortization Other Depreciation and Amortization PEO PEO [Member] Income Tax Disclosure [Abstract] Proceeds from sale of short-term investments Payments for (Proceeds from) Short-Term Investments Name Trading Arrangement, Individual Name Withheld for settlement of taxes (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Shares Withheld For Tax Withholding Obligation, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Shares Withheld For Tax Withholding Obligation, Weighted Average Grant Date Fair Value Statement of Stockholders' Equity [Abstract] Termination written notice, term Termination Written Notice, Term Termination Written Notice, Term Customer A Customer A [Member] Customer A Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Pine Bend Pine Bend [Member] Pine Bend Loss (income) from equity method investments Loss (income) from equity method investments Net income from equity method investments Income (Loss) from Equity Method Investments Class A common stock in treasury, at cost; 1,635,783 at March 31, 2025 and December 31, 2024 Treasury Stock, Common, Value Nine months ending December 31, 2025 Long-Term Debt, Maturity, Remainder of Fiscal Year Income from equity method investments Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Assets: Assets, Fair Value Disclosure [Abstract] Exercise Year 3 Exercise Year 3 [Member] Exercise Year 3 Expected volatility Measurement Input, Price Volatility [Member] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Related Party [Domain] Related and Nonrelated Parties [Domain] Non-current liabilities Liabilities, Noncurrent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount 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 Local Phone Number Local Phone Number Supplier [Axis] Supplier [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Commitment fees and other finance fees Debt Related Commitment Fees and Debt Issuance Costs Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Unrealized gain on note receivable Unrealized Gain (Loss) on Investments Shares conversion (in shares) Conversion of stock, shares converted (in shares) Conversion of Stock, Shares Converted Changes in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] PEO Total Compensation Amount PEO Total Compensation Amount Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Entity Ex Transition Period Entity Ex Transition Period Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Parent equity awards Parent Equity Awards [Member] Parent Equity Awards Noble Road Noble Road [Member] Noble Road Debt Disclosure [Abstract] Common stock Common Stock [Member] Measure: Measure [Axis] Number of agreements Number Of Agreements Number Of Agreements Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Issuance of Class A common stock under the ATM program (in shares) Stock issued (in shares) Stock Issued During Period, Shares, New Issues Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Line of Credit Line of Credit [Member] Fuel Fuel [Member] Entity Emerging Growth Company Entity Emerging Growth Company Segment Reporting [Abstract] Withheld for settlement of taxes (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Entity Central Index Key Entity Central Index Key 2030 Long-Term Debt, Maturity, Year Five Other segment items Segment Reporting, Other Segment Item, Amount Percentage of revenue recognized over time Revenue, Percentage Revenue, Percentage Environmental credits held for sale Environmental Credits Held-For-Sale Environmental Credits Held-For-Sale Equity Method Investments and Joint Ventures [Abstract] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding Less: current portion Long-Term Debt, Current Maturities Reportable Segments and Geographic Information Segment Reporting Disclosure [Text Block] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Risk free interest rate Measurement Input, Risk Free Interest Rate [Member] Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Class B common stock Class B common stock Common Class B [Member] Title Trading Arrangement, Individual Title 2026 Operating And Finance Lease Liability, To Be Paid, Year One Operating And Finance Lease Liability, To Be Paid, Year One Standby Letters of Credit Standby Letters of Credit [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Statement [Table] Statement [Table] Interest expense Interest Expense, Debt Counterparty Name [Axis] Counterparty Name [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Consolidation Items [Domain] Consolidation Items [Domain] City Area Code City Area Code Current liabilities: Liabilities, Current [Abstract] Earnout liabilities Business Combination, Contingent Consideration, Liability Interest paid, net of $524 and $1,444 capitalized, respectively Interest Paid, Excluding Capitalized Interest, Operating Activities Fuel Purchasing Agreements Fuel Purchasing Agreements [Member] Fuel Purchasing Agreements OPAL Term Loan - current portion Sunoma Loan - current portion Long-Term Construction Loan, Current Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Total current assets Current assets Assets, Current 2027 Operating And Finance Lease Liability, To Be Paid, Year Two Operating And Finance Lease Liability, To Be Paid, Year Two Schedule of Interest Expense on Borrowings Interest Income and Interest Expense Disclosure [Table Text Block] Statement of Cash Flows [Abstract] Stock-based compensation Temporary Equity, Increase From Stock Based Compensation Temporary Equity, Increase From Stock Based Compensation Sunoma Loan - current portion (includes $1,791 and $1,756 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Secured Debt, Current Noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Accrued expenses and other current and non-current liabilities Increase (Decrease) in Accrued Liabilities 2028 Long-Term Debt, Maturity, Year Three Redeemable preferred non-controlling interests Redeemable Preferred non-controlling interests Redeemable Preferred Noncontrolling Interest [Member] Redeemable Preferred Noncontrolling Interest Document Information [Line Items] Document Information [Line Items] Reportable Segment Reportable Segment [Member] Reportable Segment Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Non-current borrowings total Long-term debt, excluding current portion Long-Term Debt, Excluding Current Maturities Brown gas sales Brown Gas [Member] Brown Gas Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Expected term Measurement Input, Expected Term [Member] Income taxes Income Tax Disclosure [Text Block] 2029, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Four Earnings Per Share [Abstract] Equity [Abstract] Equity [Abstract] Earnout Target Earnout Target [Member] Earnout Target Sponsor Earnout Awards gain Sponsor Earnout Shares [Member] Sponsor Earnout Shares Retained earnings (Accumulated deficit) Retained Earnings (Accumulated Deficit) RNG Facility RNG Facility [Member] RNG Facility Environmental Processing Fees Environmental Processing Fees [Member] Environmental Processing Fees Business acquisition, hourly rate fee, maximum Business Acquisition, Hourly Rate Fee, Maximum Business Acquisition, Hourly Rate Fee, Maximum Class of Stock [Domain] Class of Stock [Domain] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Schedule of Borrowings Schedule of Debt [Table Text Block] Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount 2027 Long-Term Debt, Maturity, Year Two Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Unvested PSUs Performance Stock Units Performance Shares [Member] Credit Facility [Axis] Credit Facility [Axis] 2030, finance lease Finance Lease, Liability, to be Paid, Year Five Amendment Flag Amendment Flag Accrued environmental credit rebates Increase (Decrease) In Accrued Environmental Credit Rebates Increase (Decrease) In Accrued Environmental Credit Rebates Entity Registrant Name Entity Registrant Name Environmental credits held for sale Inventory Finished Goods, Policy [Policy Text Block] Change in redemption value of Redeemable non-controlling interests Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Exercise Year [Axis] Exercise Year [Axis] Exercise Year Gross profit Gross Profit Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Net income attributable to non-redeemable non-controlling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Equity Method Investment Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Fair Value as of Grant Date Award Grant Date Fair Value Customer Concentration Risk Customer Concentration Risk [Member] Subsequent Events [Abstract] Vehicle and Equipment leases Vehicles [Member] Stock issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Level 2 Fair Value, Inputs, Level 2 [Member] Less: unamortized debt issuance costs Debt Issuance Costs, Net Borrowings Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Legal and insurance fees Legal And Insurance Fees, Investment Tax Credit Legal And Insurance Fees, Investment Tax Credit Geographical [Domain] Geographical [Domain] M D Digester L L C M D Digester L L C [Member] M D Digester L L C Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Aggregate principal amount Debt Instrument, Face Amount Disaggregation of Revenue By Product Line Disaggregation of Revenue [Table Text Block] Issuance of Class A common stock under the ATM program Stock Issued During Period, Value, New Issues Other long-term assets Derivative Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code 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] Interest rate swap contracts Interest Rate Swap [Member] Distribution to non-redeemable non-controlling interest Payments of Ordinary Dividends, Noncontrolling Interest Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Common stock Common Stock, Value, Issued Apollo Management Holdings, L..P. Apollo Management Holdings, L..P. [Member] Apollo Management Holdings, L..P. Share-Based Payment Arrangement [Abstract] Interest rate during period Debt Instrument, Interest Rate During Period Cash and cash equivalents (includes $518 and $358 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Cash and cash equivalent Cash and Cash Equivalents, at Carrying Value Amortization of basis difference Equity Method Investment, Amortization Of Basis Difference Equity Method Investment, Amortization Of Basis Difference Leases Lessor, Operating Leases [Text Block] Accounts payable Increase (Decrease) in Other Accounts Payable Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Forfeitures (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Dividends on redeemable preferred non-controlling interests Dividends, Preferred Stock, Paid-in-kind Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Number of purchase option contracts to provide CNG Number Of Purchase Option Contracts Number Of Purchase Option Contracts Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Gain (loss) on earnout awards Business Combination, Deconsolidation And Equity Method Investments, Gain (Loss), Amount Business Combination, Deconsolidation And Equity Method Investments, Gain (Loss), Amount Basic (in dollars per share) Earnings Per Share, Basic Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Landfill gas Landfill Gas Landfill Gas Proceeds from issuance of shares of Class A common stock under the ATM program, net Proceeds from Issuance of Common Stock Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] 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 Property, plant, and equipment, net (includes $25,048 and $25,428 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Property, plant and equity, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Fair value of convertible notes receivable Convertible note receivable Convertible Notes Receivable, Fair Value Disclosure Convertible Notes Receivable, Fair Value Disclosure Ownership [Domain] Ownership [Domain] Accrual for purchase of Property, plant and equipment included in Accounts payable and Accrued capital expenses Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Cost of sales and other operating costs Cost Of Goods And Services Sold And Other Operating Expenses Cost Of Goods And Services Sold And Other Operating Expenses Net loss attributable to Class A common stockholders Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Site leases Site [Member] Site Total current liabilities Current liabilities Liabilities, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Customer B Customer B [Member] Customer B Weighted average shares outstanding of Class A common stock: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Redeemable non-controlling interests Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Total assets Segment assets Assets Vulnerability Due to Certain Concentrations Concentration Risk, Credit Risk, Policy [Policy Text Block] Distributions from equity method investments Distributions from return on investment in equity method investment Proceeds from Equity Method Investment, Distribution Cost of sales Cost of Goods and Services Sold Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Granted (in shares) Awards granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Fuel tax credits receivable Income Taxes Receivable, Current 2029 Operating And Finance Lease Liability, To Be Paid, Year Four Operating And Finance Lease Liability, To Be Paid, Year Four Purchase of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Other long-term liabilities (includes $2,432 and $2,495 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Other long-term liabilities Other Liabilities, Noncurrent Contribution by the Company Equity Method Investments, Contributions Equity Method Investments, Contributions Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Comprehensive loss attributable to Class A common stockholders Comprehensive Income (Loss) Available To Common Stockholders Comprehensive Income (Loss) Available To Common Stockholders Earnout Liabilities Business Combinations Policy [Policy Text Block] Investments in Other Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Net proceeds from the sale of tax credits Proceeds From Sale Of Investment Tax Credits Proceeds From Sale Of Investment Tax Credits Termination Date Trading Arrangement Termination Date Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] 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] Total revenues Total revenues Revenue Revenues 2027, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Two 2026 Long-Term Debt, Maturity, Year One Stock-based compensation Share-Based Payment Arrangement [Text Block] 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 Payment of preferred dividends Payments of Ordinary Dividends, Preferred Stock and Preference Stock Purchase obligation, amount decrease, percent Purchase Obligation, Amount Decrease, Percent Purchase Obligation, Amount Decrease, Percent Entity Address, City or Town Entity Address, City or Town Leases Lessee, Leases [Policy Text Block] Fuel Station Services Segment Fuel Station Services Fuel Station Services Segment [Member] Fuel Station Services Segment Debt Instrument [Axis] Debt Instrument [Axis] Changes in Redeemable Preferred Units Temporary Equity [Table Text Block] Repayment of Sunoma Loan Repayments Of Long-Term Construction Loan Repayments Of Long-Term Construction Loan Redeemable non-controlling interests, Redeemable preferred non-controlling interests and Stockholders' Equity (Deficit) Members' Equity Notes Disclosure [Text Block] Net Income (Loss) Net Income (Loss) Attributable to Parent Stock-based compensation expense Share-Based Payment Arrangement, Expense Trading Arrangement: Trading Arrangement [Axis] OPAL Term Loan and Revolving Loan Opal Term Loan [Member] Opal Term Loan Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forfeitures (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Entity File Number Entity File Number Parts inventory Inventory, Parts and Components, Net of Reserves Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Commodity swaps - realized gain (loss) Gain (Loss) on Sale of Commodity Contracts Consolidated Entities [Domain] Consolidated Entities [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Non-redeemable non-controlling interests Noncontrolling Interest [Member] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Compressed Natural Gas (CNG) Natural Gas, Compressed [Member] Natural Gas, Compressed Entity Address, Address Line Two Entity Address, Address Line Two Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Accrued expenses and other current liabilities (includes $606 and $974 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accrued expenses and other current liabilities Other Accrued Liabilities, Current Redeemable non-controlling interests Redeemable non-controlling interests Redeemable Noncontrolling Interest [Member] Redeemable Noncontrolling Interest Name Forgone Recovery, Individual Name Transaction [Domain] Transaction [Domain] Document Period End Date Document Period End Date Schedule of Interest Rate Swaps Schedule of Interest Rate Derivatives [Table Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Future minimum lease payments, operating lease Lessee, Operating Lease, Liability, to be Paid Number of units outstanding, beginning balance (in shares) Number of units outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Estimated loss per contract Loss Contingency, Estimate of Possible Loss, Per Contract Loss Contingency, Estimate of Possible Loss, Per Contract Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount 2028, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Share price Measurement Input, Share Price [Member] Investment tax credit, term Investment Tax Credit, Term Investment Tax Credit, Term Accrued capital expenses Accrued Capital Expenses, Current Accrued Capital Expenses, Current Revenue recognized included in contract liabilities Contract with Customer, Liability, Revenue Recognized Adjustment to Compensation: Adjustment to Compensation [Axis] Office leases Office And Warehouse Space [Member] Office And Warehouse Space Prepaid expense and other current assets (includes $106 and $144 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Number of fuel stations Number Of Fuel Stations Number Of Fuel Stations Accounts Receivable Accounts Receivable [Member] Document Transition Report Document Transition Report Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Document Quarterly Report Document Quarterly Report Purchase obligation Purchase Obligation Accrued environmental credit rebates Accrued Environmental Credit Rebates, Current Accrued Environmental Credit Rebates, Current Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Customer [Domain] Customer [Domain] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Accumulated deficit Retained Earnings [Member] Subsidiary, Ownership Percentage, Noncontrolling Owner Subsidiary, Ownership Percentage, Noncontrolling Owner Amortization of deferred financing costs Amortization of deferred financing cost Amortization of Debt Issuance Costs Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] 2022 Plan 2022 Omnibus Equity Incentive Plan ("2022 Plan") [Member] 2022 Omnibus Equity Incentive Plan ("2022 Plan") 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 Power Purchase Agreements Power Purchase Agreements [Member] Power Purchase Agreements Basic (in shares) Weighted average number of shares of Class A common stock - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Related Party [Axis] Related and Nonrelated Parties [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] 2025, operating lease Purchase Obligation, to be Paid, Remainder of Fiscal Year Preferred 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 Document Information [Table] Document Information [Table] Total Stockholders' equity (deficit) (includes $5,103 and $4,959 at March 31, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Total Stockholders' equity (deficit) Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Unvested RSUs Restricted Stock Units (RSUs) [Member] 2028 Operating And Finance Lease Liability, To Be Paid, Year Three Operating And Finance Lease Liability, To Be Paid, Year Three Redeemable non-controlling interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Revenue Benchmark Revenue Benchmark [Member] Entity Filer Category Entity Filer Category Backlog Revenue, Remaining Performance Obligation, Amount Letter of Credit Letter of Credit [Member] Company Selected Measure Name Company Selected Measure Name