Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Common stock, number of votes per share Common Stock, Number Of Votes Per Share Common Stock, Number Of Votes Per Share Statistical Measurement [Domain] Statistical Measurement [Domain] 2030 and beyond, operating lease Lessee, Operating Lease, Liability, to be Paid, after Year Five Accounts Payable Accounts Payable [Member] Commodity Contract Commodity swap contracts Commodity Contract [Member] Equity Method Investment Entities Equity Method Investment Entities [Member] Equity Method Investment Entities Restricted cash - current (includes $906 and $972 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Restricted cash - current Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Costar Costar Partners LLC ("Costar") [Member] Costar Partners LLC ("Costar") Exercise Year 2 Exercise Year 2 [Member] Exercise Year 2 Entity File Number Entity File Number MD and VS Projects MD And VS Projects [Member] MD And VS Projects Additional Paid-in capital Additional Paid-in Capital [Member] Interest rate swap contracts Interest Rate Swap [Member] Financing costs paid to other third parties Payments of Financing Costs Contract assets: Contract with Customer, Asset, after Allowance for Credit Loss, Current [Abstract] Income from equity method investments Income from equity method investments Net income from equity method investments Income from equity method investments Income (Loss) from Equity Method Investments Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] EagleBank EagleBank [Member] EagleBank NextEra NextEra [Member] NextEra Accounting Pronouncements Adopted/Accounting Pronouncements Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Revenues Recorded from Related Parties Schedule of Related Party Transactions [Table Text Block] Interest income Interest Income, Interest-Earning Asset Contract assets Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current RNG Fuel RNG Fuel [Member] RNG Fuel Other comprehensive (loss) income Other Comprehensive Income (Loss), Tax [Abstract] Environmental credits held for sale Inventory Finished Goods, Policy [Policy Text Block] OPAL Term Loan, net of debt issuance costs Secured Long-Term Debt, Noncurrent Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Parties Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Payment of preferred dividends Payments of Ordinary Dividends, Preferred Stock and Preference Stock Discount Rate Measurement Input, Discount Rate [Member] 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] Derivative Financial Instruments and Fair Value Measurements Derivatives and Fair Value [Text Block] Backlog Revenue, Remaining Performance Obligation, Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk percentage Percentage of total revenue Concentration Risk, Percentage Capital contributions Proceeds from Contributions from Affiliates Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028, finance lease Finance Lease, Liability, to be Paid, Year Three Other comprehensive 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 Stock options Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Third-Party Partner Third-Party Partner [Member] Third-Party Partner Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Interest and financing expense, net Total interest and financing 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 Cash paid to equity method investments Payments to Acquire Equity Method Investments Total Stockholders' equity (deficit) attributable to the Company Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Number of facilities Number Of Facilities Number Of Facilities Insider Trading Policies and Procedures [Line Items] Stock-based compensation expense Share-Based Payment Arrangement, Expense Common stock, shares authorized (in shares) Common Stock, Shares Authorized Hedging Designation [Domain] Hedging Designation [Domain] Issuance of Class A common stock under the ATM program (in shares) Stock issued (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Asset retirement obligation, measurement input Asset Retirement Obligation, Measurement Input Asset Retirement Obligation, Measurement Input Total liabilities, Redeemable preferred non-controlling interests, Redeemable non-controlling interests and Stockholders' equity (deficit) Liabilities and Equity Income tax benefit Income tax benefit Income Tax Expense (Benefit), Net Of Selling Expense Income Tax Expense (Benefit), Net Of Selling Expense Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Fair Value, Recurring Fair Value, Recurring [Member] Business acquisition, internal rate of return Business Acquisition, Internal Rate of Return Business Acquisition, Internal Rate of Return Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Net income Temporary Equity, Net Income Liabilities and Stockholders' Equity (Deficit) Liabilities and Equity [Abstract] Cover [Abstract] Maximum Maximum [Member] Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Cash paid for purchases of property, plant and equipment Segment, Expenditure, Addition to Long-Lived Assets Other Other Products And Services [Member] Other Products And Services Accounting Policies [Abstract] Schedule of Future Minimum Lease Payments - Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Treasury Stock Treasury Stock, Common Treasury Stock, Common [Member] Parts inventory Increase (Decrease) In Parts Inventories Increase (Decrease) In Parts Inventories Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Other comprehensive (loss) AOCI Including Portion Attributable to Noncontrolling Interest, Period Increase (Decrease) Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Liabilities: Liabilities [Abstract] Schedule of Preferred Units [Table] Partners' Capital, Master Limited Partnership, Preferred Unit [Table] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] (Loss) income before income tax benefit Segment income (loss) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Weighed average effective interest rate Long-Term Debt, Weighted Average Interest Rate, over Time Project Interest Project Interest [Member] Project Interest Schedule of Revenue by Major Customers, by Reporting Segments [Table] Schedule of Revenue by Major Customers, by Reporting Segments [Table] Other long-term liabilities (includes $1,307 and $2,495 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] RNG fuel RNG Fuel Renewable Natural Gas Fuel Supply Segment [Member] Renewable Natural Gas Fuel Supply Segment Proceeds from issuance Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Fortistar and Costar Fortistar and Costar [Member] Fortistar and Costar Net unrealized loss on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Less: current portion Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Three Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest [Abstract] Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest [Roll Forward] Increase (Decrease) In Temporary Equity And Redeemable Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line of Credit Facility [Table] Line of Credit Facility [Table] Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Letter of Credit Letter of Credit [Member] OPAL Term Loan and Revolving Loan OPAL Term Loan Secured Debt Secured Debt [Member] Reverse recapitalization, number of shares subject to forfeiture shares (in shares) Reverse Recapitalization, Number of Shares Subject to Forfeiture, Shares Reverse Recapitalization, Number of Shares Subject to Forfeiture, Shares Interest expense on finance leases Finance Lease, Interest Expense Document Fiscal Period Focus Document Fiscal Period Focus Partner Capital Components [Domain] Partner Capital Components [Domain] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Exercise Year [Domain] Exercise Year [Domain] Exercise Year [Domain] Award Type Award Type [Axis] Accounts payable, related party Increase (Decrease) in Accounts Payable, Related Parties Hedging Relationship [Domain] Hedging Relationship [Domain] Total Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Segment assets Assets Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol 2029, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Four Earnout Liabilities Business Combination [Policy Text Block] Parts inventory Inventory, Parts and Components, Net of Reserves Renewable Power Segment Renewable Power Renewable Power Segment [Member] Renewable Power Segment Geographical [Domain] Geographical [Domain] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Stockholders' equity (deficit) Members' Equity [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Renewable power project, energy measure Renewable Power Project, Energy Measure Renewable Power Project, Energy Measure Unvested RSUs Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Corporate and Eliminations Corporate And Eliminations [Member] Corporate And Eliminations Assets: Assets, Fair Value Disclosure [Abstract] Third party construction Third Party Construction [Member] Third Party Construction Investment tax credit, purchase agreement Investment Tax Credit, Purchase Agreement Investment Tax Credit, Purchase Agreement Class B And D Ordinary Share Class B And D Ordinary Share [Member] Class B And D Ordinary Share Entity Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three 2026, finance lease Finance Lease, Liability, to be Paid, Year One Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Paid-in-kind interest income Paid-In-Kind Interest Income Paid-In-Kind Interest Income 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] Level 2 Fair Value, Inputs, Level 2 [Member] Less: unamortized debt issuance costs Debt Issuance Costs, Net Investment in other entities Beginning balance Ending balance Investment in other entities Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] One Vendor One Supplier [Member] One Supplier Class C common stock Class C common stock Common Class C [Member] Related Party Related Party [Member] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding V E C Partners Inc Dba C E I Builders C E I V E C Partners Inc Dba C E I Builders C E I [Member] V E C Partners Inc Dba C E I Builders C E I Allowance for accounts receivable Accounts Receivable, Credit Loss Expense (Reversal) Sunoma Loan - current portion (includes $1,861 and $1,756 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Secured debt, current Secured Debt, Current Gain on lease termination Gain (Loss) on Termination of Lease 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 [Axis] Plan Name [Axis] Document Information [Table] Document Information [Table] PEO PEO [Member] 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 2030 Operating And Finance Lease Liability, To Be Paid, Year Five Operating And Finance Lease Liability, To Be Paid, Year Five Proceeds from OPAL Term Loan and Revolving loan Proceeds from Issuance of Secured Debt Schedule of Disaggregation of Revenue By Product Line Disaggregation of Revenue [Table Text Block] Noncash investing and financing activities: Noncash Investing and Financing Items [Abstract] Fuel tax credits payable Accrued Income Taxes, Current Changes in operating assets and liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] 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] Share Price Measurement Input, Share Price [Member] OPAL Term Loan - current portion Long-Term Construction Loan, Current Sale of stock, percentage of gross proceeds on sale Sale Of Stock, Percentage Of Gross Proceeds On Sale Sale Of Stock, Percentage Of Gross Proceeds On Sale Derivative Instruments and Hedging Activities Disclosure [Abstract] (Accumulated deficit) Retained Earnings Retained Earnings [Member] Prepaid expense and other current assets (includes $1,100 and $144 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Cash, restricted cash, and cash equivalents, beginning of period Cash, restricted cash, and cash equivalents, end of period Cash and cash equivalents and restricted cash - current and non-current Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Sunoma Loan, net of debt issuance costs (includes $17,071 and $18,373 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Sunoma Loan, net of debt issuance costs Long-Term Construction Loan, Noncurrent Commodity swap contracts Derivative Asset Revenue, Major Customer [Line Items] Revenue, Major Customer [Line Items] Derivatives not designated as hedging instruments Not Designated as Hedging Instrument, Economic Hedge [Member] Class B Common Stock Class B common stock OPAL Fuels Class B units Common Class B [Member] Other long-term liabilities Derivative Liability, Noncurrent Interest rate swap contracts Investments, Fair Value Disclosure Document Information [Line Items] Document Information [Line Items] Dividends on redeemable preferred non-controlling interests Temporary Equity, Increase From Dividend Distribution, Redeemable Preferred Non-Controlling Interests Temporary Equity, Increase From Dividend Distribution, Redeemable Preferred Non-Controlling Interests Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Dividend Yield Measurement Input, Expected Dividend Rate [Member] Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] 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 Three months ending December 31, 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 Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Other (expense) income: Other Income and Expenses [Abstract] Reduction of carrying amount of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] 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 City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] GREP GREP BTB Holdings LLC (“GREP”) [Member] GREP BTB Holdings LLC (“GREP”) Other income Other Nonoperating Income All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Opal Fuels Opal Fuels [Member] Opal Fuels Commitments and Contingencies Disclosure [Abstract] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Draws on letters of credit Draws on standby letters of credit Proceeds from Long-Term Lines of Credit Schedule of Receivables, Contract Assets and Contract Liabilities From Contracts With Customers Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Share conversion Conversion of Stock, Amount Converted Capitalized interest Equity Method Investment, Capitalized Interest Equity Method Investment, Capitalized Interest Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Paragon Paragon [Member] Paragon Supplier [Axis] Supplier [Axis] Related Party Transactions [Abstract] Equity Method Investments and Joint Ventures [Abstract] Subsequent Event Subsequent Event [Member] Equity Method Investment Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Cash Flow Hedging Cash Flow Hedging [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Estimated loss from claim Loss Contingency, Estimate of Possible Loss PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Gain on note receivable Gain (Loss) on Investments Money Market Funds Money Market Funds [Member] 2029, finance lease Finance Lease, Liability, to be Paid, Year Four Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Non-US Non-US [Member] Standby Letters of Credit Standby Letters of Credit [Member] Number of variable interest entities Number Of Variable Interest Entities Number Of Variable Interest Entities Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Schedule of Operating Leased Assets [Table] Schedule of Operating Leased Assets [Table] Warrants expiration period Warrants and Rights Outstanding, Term Supplemental disclosure of cash flow information Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Financing fees paid Payments of Debt Issuance Costs Contract liabilities: Contract with Customer, Liability [Abstract] Entity Address, State or Province Entity Address, State or Province Repayment of principal portion of finance lease liabilities Finance Lease, Principal Payments Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Capital contribution from non-redeemable non-controlling interests Noncontrolling Interest, Increase from Sale of Parent Equity Interest Related Party [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Current liabilities Liabilities, Current Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Net increase (decrease) in cash, restricted cash, and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Thereafter Operating And Finance Lease Liability, To Be Paid, After Year Five Operating And Finance Lease Liability, To Be Paid, After Year Five Derivative Instrument [Axis] Derivative Instrument [Axis] Issuance of Class A common stock for vesting of equity awards net of tax withholdings (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Fair value measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Subsidiary ownership percentage, counterparty Subsidiary, Ownership Percentage, Counterparty Subsidiary, Ownership Percentage, Counterparty Payment of preferred dividend Payment of preferred dividends Temporary Equity, Increase From Dividend Distribution Temporary Equity, Increase From Dividend Distribution Leases Lessee, Finance Leases [Text Block] Right-of-use assets for finance leases included in property, plant and equipment Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Entity [Domain] Entity [Domain] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Staffing and management services Staffing and Management Services [Member] Staffing and Management Services Other long-term assets Derivative Asset, Noncurrent Renewable Power Renewable Power [Member] Renewable Power Interest paid, net of $2,082 and $3,093 capitalized, respectively Interest Paid, Excluding Capitalized Interest, Operating Activity Capital contribution from non-redeemable non-controlling interests Proceeds from Noncontrolling Interests Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Right-of-use asset carrying value Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Ownership percentage Subsidiary, Ownership Percentage, Noncontrolling Owner Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Commodity swaps - unrealized gain (loss) Unrealized Gain (Loss) on Commodity Contracts Income (loss) from equity method investments Equity Method Investment, Income (Loss), Gross Equity Method Investment, Income (Loss), Gross Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [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 Plan Name [Domain] Plan Name [Domain] Accounts receivable, related party Increase (Decrease) in Accounts Receivable, Related Parties Equity [Abstract] Equity [Abstract] Commodity Swaps Commodity Swaps [Member] Commodity Swaps Schedule of Stock-Based Compensation Expense Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Reportable Segments and Geographic Information Segment Reporting Disclosure [Text Block] Other Derivatives Other Derivatives [Member] Other Derivatives 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] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Ownership [Domain] Ownership [Domain] Change in redemption value of Redeemable non-controlling interests Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Earnout liabilities Business Combination, Contingent Consideration, Liability Net income attributable to non-redeemable non-controlling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest 2027, finance lease Finance Lease, Liability, to be Paid, Year Two Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Leases Lessee, Leases [Policy Text Block] Selling, general, and administrative Selling, General and Administrative Expense Expected Volatility Measurement Input, Price Volatility [Member] Dividends attributable to redeemable non-controlling interests Redeemable Preferred Stock Dividends, Noncontrolling Interest Redeemable Preferred Stock Dividends, Noncontrolling Interest Fuel tax credits receivable Increase (Decrease) in Income Taxes Receivable Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments [Roll Forward] Increase (Decrease) In Equity Method Investments Other long-term assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of Principal Maturities of Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Total revenues Total revenues Revenue Revenues Preferred Units [Line Items] Preferred Units [Line Items] Total realized and unrealized gain Change in fair value of derivative instruments, net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 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] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Preferred dividends attributable to Class A common stockholders (in shares) Temporary Equity, Shares, Accretion Of Dividends, Attributable To Common Stockholders, Basic Temporary Equity, Shares, Accretion Of Dividends, Attributable To Common Stockholders, Basic Exercise Year 1 Exercise Year 1 [Member] Exercise Year 1 Partner Capital Components [Axis] Partner Capital Components [Axis] Write-offs of capitalized costs Deferred Debt Issuance Cost, Writeoff Gain on nonmonetary asset Nonmonetary Transaction, Gain (Loss) Recognized on Transfer Environmental credits Environmental Credits [Member] Environmental Credits Business combination, contingent consideration, liability, noncurrent Business Combination, Contingent Consideration, Liability, Noncurrent Arrangement Duration Trading Arrangement Duration Contract liabilities Contract liabilities Contract with Customer, Liability, Current Schedule of Derivatives Fair Values on Balance Sheet Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Prepaid expense and other current and long-term assets Increase (Decrease) in Prepaid Expense and Other Assets Segments [Axis] Segments [Axis] Redeemable non-controlling interests Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Fuel Provider Agreements Fuel Provider Agreements ("FPAs") [Member] Fuel Provider Agreements ("FPAs") Product warranty accrual, current Product Warranty Accrual, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Preferred dividends attributable to Redeemable non-controlling interest Temporary Equity, Accretion Of Dividends, Non-controlling Interest Temporary Equity, Accretion Of Dividends, Non-controlling Interest Accounts receivable, related party Accounts receivable, related party Accounts Receivable, before Allowance for Credit Loss, Current Subsequent Event Type [Axis] Subsequent Event Type [Axis] Thereafter Long-Term Debt, Maturity, after Year Five Stock-based compensation Share-Based Payment Arrangement [Text Block] Renewable power project, ownership percentage Renewable Power Project, Ownership Percentage Renewable Power Project, Ownership Percentage Assets Assets [Abstract] Non-current borrowings total Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Nonrelated Party Nonrelated Party [Member] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Class D Common Stock Common Class D [Member] Common Class D Credit Facility [Domain] Credit Facility [Domain] Increase (Decrease) In Temporary Equity, Units [Roll Forward] Increase (Decrease) In Temporary Equity, Units [Roll Forward] Increase (Decrease) In Temporary Equity, Units Accrued expenses and other current liabilities Derivative Liability, 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] Two Customers Two Customers [Member] Two Customers Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Per share amounts: Net income per share of Class A common stock Earnings Per Share, Basic And Diluted EPS [Abstract] Earnings Per Share, Basic And Diluted EPS Project development and startup costs Project development and startup costs Research and Development Expense Accumulated other comprehensive (loss)/income AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Land2Gas SJI Landfill RNG LLC (“SJI LRNG”) [Member] SJI Landfill RNG LLC (“SJI LRNG”) Operating lease liabilities - non-current portion Operating Lease, Liability, Noncurrent Aggregate offering price Sale of Stock, Consideration Received Per Transaction Ownership [Axis] Ownership [Axis] Change in fair value of commodity swaps Unrealized Gain (Loss) On Convertible Notes Payable Unrealized Gain (Loss) On Convertible Notes Payable Depreciation, amortization, and accretion Depreciation, amortization, and accretion Depreciation, Amortization and Accretion, Net Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Series A-1 preferred units Series A-1 Preferred Stock [Member] Series A-1 Preferred Stock Sponsor Letter Agreement Sponsor Letter Agreement [Member] Sponsor Letter Agreement Total operating expenses Costs and Expenses Related Party Transaction [Line Items] Related Party Transaction [Line Items] Document Quarterly Report Document Quarterly Report Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Two Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Number of operating segments Number of Operating Segments Future minimum lease payments Operating And Finance Lease Liability, To Be Paid Operating And Finance Lease Liability, To Be Paid Other Income Other Income [Member] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Borrowings Schedule of Debt [Table Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Rent - fixed compensation Rent - Fixed Compensation [Member] Rent - Fixed Compensation Service and parts Service [Member] Repayments on letters of credit Repayments of Long-Term Lines of Credit Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Standby letters of credit outstanding balance Letters of Credit Outstanding, Amount Accounts Receivable Accounts Receivable [Member] Schedule of Interest Rate Swaps Schedule of Interest Rate Derivatives [Table Text Block] Interest expense Interest Expense, Debt Payment for short-term investments Payments for (Proceeds from) Short-Term Investments Noncontrolling interest 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Statistical Measurement [Axis] Interest capitalized Interest Paid, Capitalized, Investing Activity 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] Dividends on redeemable preferred non-controlling interests Temporary Equity, Dividends, Adjustment Vehicle and Equipment leases Vehicles [Member] Accrual for asset retirement obligation included in property, plant and equipment Noncash, Asset Retirement Obligation Accrual Included In Property, Plant And Equipment Noncash, Asset Retirement Obligation Accrual Included In Property, Plant And Equipment Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for taxes related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Peer Group Issuers, Footnote Peer Group Issuers, Footnote 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Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Schedule of Lessor Contract Schedule of Lessor Contract [Table Text Block] Schedule of Lessor Contract Transaction Type [Axis] Transaction Type [Axis] Schedule of Effect of Derivative Instruments on Statement of Operations Derivative Instruments, Gain (Loss) [Table Text Block] Redeemable preferred non-controlling interests Redeemable Preferred non-controlling interests Redeemable Preferred Noncontrolling Interest [Member] Redeemable Preferred Noncontrolling Interest Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Brown gas sales Brown Gas [Member] Brown Gas Level 1 Fair Value, Inputs, Level 1 [Member] Leases Lessor, Operating Leases [Text Block] Accrued expenses and other current and non-current liabilities Increase (Decrease) in Accrued Liabilities Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Parts Inventory Inventory Supplies, Policy [Policy Text Block] Accounts receivable, net of allowances of $2,454 and $—, respectively (includes $17 and $435 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accounts receivable, net Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Earnout Target Earnout Target [Member] Earnout Target Sponsor Earnout Awards gain Sponsor Earnout Shares [Member] Sponsor Earnout Shares 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 Stock issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Accounts payable Increase (Decrease) in Other Accounts Payable 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 Earnings Per Share [Abstract] 2030, operating lease Lessee, Operating Lease, Liability, to be Paid, Year Five Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount [Roll Forward] Increase (Decrease) In Temporary Equity, Amount Share conversion (in shares) Conversion of stock, shares converted (in shares) Conversion of Stock, Shares Converted Consolidation Items [Domain] Consolidation Items [Domain] Total other expenses Nonoperating Income (Expense) Subsidiary, ownership percentage, parent Subsidiary, Ownership Percentage, Parent Distributions from return of investment in equity method investment Distributions from return of investment in equity method investment Proceeds from Equity Method Investment, Distribution, Return of Capital Investments in Other Entities Equity Method Investments and Joint Ventures Disclosure [Text Block] Gross profit Gross Profit Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Interest Expense on Borrowings Interest Income and Interest Expense Disclosure [Table Text Block] Contract liabilities Increase (Decrease) in Contract with Customer, Liability Accounts payable Accounts payable Accounts payable, related party Accounts Payable, Other, Current Exercise Year [Axis] Exercise Year [Axis] Exercise Year Tax benefit received Income Taxes Paid, Net 2030 and beyond, finance lease Finance Lease, Liability, to be Paid, after Year Five Scenario, Plan Scenario, Plan [Member] Legal and insurance fees Legal And Insurance Fees, Investment Tax Credit Legal And Insurance Fees, Investment Tax Credit Preferred dividends attributable to Redeemable non-controlling interest (in shares) Temporary Equity, Shares, Accretion Of Dividends, Non-controlling Interest Temporary Equity, Shares, Accretion Of Dividends, Non-controlling Interest M D Digester L L C M D Digester L L C [Member] M D Digester L L C Award Timing Disclosures [Line Items] Long-term debt, gross Debt outstanding Long-Term Debt, Gross Measurement Frequency [Domain] Measurement Frequency [Domain] Accrued payroll (includes $39 and $45 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accrued payroll Employee-related Liabilities, Current Future minimum lease payments, operating lease Lessee, Operating Lease, Liability, to be Paid Property, plant, and equipment, net (includes $30,931 and $25,428 at September 30, 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 Apollo Management Holdings, L..P. Apollo Management Holdings, L..P. [Member] Apollo Management Holdings, L..P. Distributions to non-redeemable non-controlling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Interest rate during period Debt Instrument, Interest Rate During Period Change in fair value of derivative instruments, net Gain (Loss) on Derivative Instruments, Net, Pretax Subsequent Event [Table] Subsequent Event [Table] Service agreements Property Management Fee Revenue Intersegment Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Amortization of basis difference Equity Method Investment, Amortization Of Basis Difference Equity Method Investment, Amortization Of Basis Difference Accrued expenses and other current liabilities (includes $1,148 and $974 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Accrued expenses and other current liabilities Other Accrued Liabilities, Current Schedule of Equity Method Investments Equity Method Investments [Table Text Block] CMS CMS [Member] CMS Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Sunoma Loan Sunoma Loan Construction Loans [Member] Series A preferred units Series A Preferred Stock [Member] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Expected Term Measurement Input, Expected Term [Member] Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Proceeds from convertible debt Proceeds from Convertible Debt Operating income Operating Income (Loss) Line of Credit Line of Credit [Member] 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 Consolidated Entities [Domain] Consolidated Entities [Domain] Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Supplier Concentration Risk Supplier Concentration Risk [Member] Transaction [Domain] Transaction [Domain] 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 Statement of Financial Position [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] Executive Category: Executive Category [Axis] Fair value of convertible notes receivable Convertible note receivable Convertible Notes Receivable, Fair Value Disclosure Convertible Notes Receivable, Fair Value Disclosure 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 Site leases Site [Member] Site Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock [Axis] Class of Stock [Axis] Customer B Customer B [Member] Customer B Subsequent Event Type [Domain] Subsequent Event Type [Domain] Service Agreements Service Agreements [Member] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] 2029 Operating And Finance Lease Liability, To Be Paid, Year Four Operating And Finance Lease Liability, To Be Paid, Year Four Statement [Table] Statement [Table] Total commodity swaps - unrealized gain (loss) Commodity swap contracts Derivative Liability Contribution by the Company Equity Method Investments, Contributions Equity Method Investments, Contributions Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Comprehensive income attributable to Class A common stockholders Comprehensive Income (Loss) Available To Common Stockholders Comprehensive Income (Loss) Available To Common Stockholders Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue Benchmark Revenue Benchmark [Member] Net proceeds from the sale of tax credits Proceeds From Sale Of Investment Tax Credits Proceeds From Sale Of Investment Tax Credits Risk Free Interest Rate Measurement Input, Risk Free Interest Rate [Member] Distributions from return on investment in equity method investments Distributions from return on investment in equity method investment Proceeds from Equity Method Investment, Distribution Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Leases Lessor, Leases [Policy 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 Change in redemption value of Redeemable non-controlling interests Temporary Equity, Accretion to Redemption Value, Adjustment Antidilutive shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average shares outstanding of Class A common stock: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Commodity swaps - realized gain (loss) Gain (Loss) on Sale of Commodity Contracts All Adjustments to Compensation All Adjustments to Compensation [Member] Electricity sales Electricity [Member] Amendment Flag Amendment Flag Sales price (in dollars per share) Sale of Stock, Price Per Share 2027 Long-Term Debt, Maturity, Year Two Fuel Station Services Fuel Station Services Fuel Station Services Segment [Member] Fuel Station Services Segment Class A common stock in treasury, at cost; 1,635,783 at September 30, 2025 and December 31, 2024 Treasury Stock, Common, Value Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Repayment of Sunoma Loan Repayments Of Long-Term Construction Loan Repayments Of Long-Term Construction Loan Contract assets Increase (Decrease) in Contract with Customer, Asset Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] OPAL Term Loan and Revolving Loan OPAL Term Loan Opal Term Loan [Member] Opal Term Loan Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Issuance of Class A common stock for vesting of equity awards net of tax withholdings Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Basic (in shares) Weighted average number of shares of Class A common stock - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Cost of sales Cost of Product and Service Sold Schedule of Basic and Diluted Net Income Per Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] 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") Related Party Transaction [Domain] Related Party Transaction [Domain] Subsequent Events [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Supplier [Domain] Supplier [Domain] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Amortization of deferred financing costs Amortization of deferred financing cost Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Scenario [Domain] Scenario [Domain] Operating expenses: Costs and Expenses [Abstract] Redeemable non-controlling interests Redeemable non-controlling interests Redeemable Noncontrolling Interest [Member] Redeemable Noncontrolling Interest Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, shares issued (in shares) Common Stock, Shares, Issued Sunoma Loan Sunoma Loan [Member] Sunoma Loan Fuel tax credits receivable Income Taxes Receivable, Current 2029 Long-Term Debt, Maturity, Year Four Estimated loss per contract Loss Contingency, Estimate of Possible Loss, Per Contract Loss Contingency, Estimate of Possible Loss, Per Contract Use of estimates Use of Estimates, Policy [Policy Text Block] Trading Arrangement: Trading Arrangement [Axis] Derivative asset, current Prepaid expenses and other current assets Prepaid expense and other current assets Derivative Asset, Current Fuel tax credits payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Lease revenue Operating Lease, Lease Income Office leases Office And Warehouse Space [Member] Office And Warehouse Space Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Accrued environmental credit rebates Accrued Environmental Credit Rebates, Current Accrued Environmental Credit Rebates, Current Three months ending December 31, 2025 Long-Term Debt, Maturity, Remainder of Fiscal Year Noncurrent liabilities Liabilities, Noncurrent Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Distribution to non-redeemable non-controlling interest Payments of Ordinary Dividends, Noncontrolling Interest Redeemable non-controlling interests, Redeemable preferred non-controlling interests and Stockholders' Equity (Deficit) Members' Equity Notes Disclosure [Text Block] Accrual for purchase of property, plant and equipment included in accrued and payable capital expenditures Capital Expenditures Incurred but Not yet Paid 2030, finance lease Finance Lease, Liability, to be Paid, Year Five Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] 2022 Plan 2022 Omnibus Equity Incentive Plan ("2022 Plan") [Member] 2022 Omnibus Equity Incentive Plan ("2022 Plan") Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 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 Athene Annuity and Life Company Athene Annuity And Life Company [Member] Athene Annuity And Life Company 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 Issuance of Class A common stock under the ATM program Stock Issued During Period, Value, New Issues Statement [Line Items] Statement [Line Items] 2028 Operating And Finance Lease Liability, To Be Paid, Year Three Operating And Finance Lease Liability, To Be Paid, Year Three Consolidation Items [Axis] Consolidation Items [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents (includes $119 and $358 at September 30, 2025 and December 31, 2024, respectively, related to consolidated VIEs) Cash and cash equivalent Cash and Cash Equivalent Counterparty Name [Axis] Counterparty Name [Axis] Subsequent Event [Line Items] Subsequent Event [Line Items] Common stock Common Stock [Member] Net income Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Dilutive effect of stock options and restricted stock units (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment