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retirement obligation Asset Retirement Obligation Construction Loan Construction Loans [Member] Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Total equity Total equity, beginning balance Total equity, ending balance Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Schedule of Changes in Fair Value of Derivative Contracts Schedule of Derivative Instruments [Table Text Block] Concentration Risk [Table] Concentration Risk [Table] Amortization of loan origination cost Sale And Leaseback Transaction, Amortization of Loan Origination Cost Sale And Leaseback Transaction, Amortization of Loan Origination Cost Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line 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of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Schedule of Failed Sale Leaseback Transactions Sale Leaseback Transactions [Table Text Block] Schedule of Reportable Segment Financial Results Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Related Party [Axis] Related and Nonrelated Parties [Axis] Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Maturity of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date PRC Nemasket LLC PRC Nemasket LLC [Member] PRC Nemasket LLC Asset retirement cost Asset Retirement Obligation Costs [Member] 2026-2027 Finance Lease, Liability, to be Paid, Next Rolling 12 Months Preferred shares, shares outstanding (in shares) Preferred Stock, Shares Outstanding Face amount of debt Debt Instrument, Face Amount Term of debt (in years) Debt Instrument, Term Contributions from noncontrolling interests, net Contributions from Tax Equity Investors Proceeds from Noncontrolling Interests Gemstone 2025 Manager LLC Gemstone 2025 Manager LLC [Member] Gemstone 2025 Manager LLC Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Premium Financing Loan Premium Financing Loan [Member] Premium Financing Loan GDEV GP II Greenbacker Development Opportunities GP II, LLC ("GDEV GP II") [Member] Greenbacker Development Opportunities GP II, LLC ("GDEV GP II") Earnings Per Share Earnings Per Share [Text Block] Earnings per share Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Redemptions payable Redemption Payable Incurred But Not Yet Paid Redemption Payable Incurred But Not Yet Paid Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Liabilities Discount rate Measurement Input, Discount Rate [Member] Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Independent Power Producer ("IPP") Segment Independent Power Producer Independent Power Producer ("IPP") Segment [Member] Independent Power Producer ("IPP") Segment Company Selected Measure Name Company Selected Measure Name Distributions to noncontrolling interests Payments of Ordinary Dividends, Noncontrolling Interest Income Tax Disclosure [Abstract] Fixed rate Derivative, Fixed Interest Rate Concentration Risk [Line Items] Concentration Risk [Line Items] Change in fair value of interest rate swaps, net Increase (Decrease) In Fair Value Of Derivative Instruments Increase (Decrease) In Fair Value Of Derivative Instruments Funding commitment Long-Term Purchase Commitment, Amount Credit Facility [Domain] Credit Facility [Domain] Depreciation, amortization and accretion Depreciation, amortization and accretion Depreciation, Depletion and Amortization, Nonproduction 2027-2028 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Two Cash Flows from Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other receivables Other Receivables, Net, Current Outstanding distributions payable Dividends Payable, Current Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Deferred income taxes Deferred Income Taxes and Tax Credits GREC Warehouse Holdings I LLC GREC Warehouse Holdings I LLC [Member] GREC Warehouse Holdings I LLC Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Less: Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Other intangible assets Other Intangible Assets [Member] Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Greenbacker Wind Holdings II LLC Greenbacker Wind Holdings II LLC [Member] Greenbacker Wind Holdings II LLC Award Timing Predetermined Award Timing Predetermined [Flag] Production capacity, pre-operational Production Capacity, Pre-Operational Production Capacity, Pre-Operational Thereafter Lessee, Operating Lease, Liability, to be Paid, after Rolling Year Five Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Derivative assets Derivative Asset, Noncurrent Effective tax rate Effective Income Tax Rate Reconciliation, Percent Administrative fees Administrative fee receivable Administrative Fee [Member] Administrative Fee Share-based compensation awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Gross carrying amount Out-of-Market Contracts, Intangible Liabilities, Gross Out-of-Market Contracts, Intangible Liabilities, Gross Construction, Revolving and Term Loans Construction, Revolving And Term Loans [Member] Construction, Revolving And Term Loans Operating lease liabilities Increase (Decrease) in Operating Lease Liability GB Solar TE 2020 Manager LLC GB Solar TE 2020 Manager LLC [Member] GB Solar TE 2020 Manager LLC Preferred shares, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Present value of lease payments Sale Leaseback Transaction, Financing Obligation Sale Leaseback Transaction, Financing Obligation 2026-2027 Long-Term Debt, Maturities, Repayments of Principal in Next Rolling 12 Months Depreciation expense Depreciation Impairment loss, deposit forfeited for damages Long Lived Assets, Impairment Loss, Deposit Forfeited For Damages Long Lived Assets, Impairment Loss, Deposit Forfeited For Damages Scenario [Domain] Scenario [Domain] Share Units Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] Operating right-of-use asset, net Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Fair 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fair value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Fair Value Assumptions, Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Fair Value Assumptions, Grant Date Fair Value Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] GRP II Borealis Solar LLC GRP II Borealis Solar LLC [Member] GRP II Borealis Solar LLC Deferred shareholder servicing fees Payments For Deferred Shareholder Servicing Fees Payments For Deferred Shareholder Servicing Fees Deferred Tax Asset, Valuation Allowance [Table] Deferred Tax Asset, Valuation Allowance [Table] Trillium Manager LLC Trillium Manager LLC [Member] Trillium Manager LLC Loss on contract termination Loss on Contract Termination Cash Flows from Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segments [Domain] Segments [Domain] Interest rate swap contracts Interest Rate Swap [Member] Debt Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Class P-A Class P-A Shares [Member] Class P-A Shares PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Total operating expenses Costs and Expenses Payments to acquire interests held by Tax Equity Investor Payments to Acquire Equity Method Investments Interest rate Debt Instrument, Interest Rate, Stated Percentage Class P-I Class P-I Shares [Member] Class P-I Shares 2027-2028 Other Commitment, to be Paid, Year Two Impairment of long-lived assets, net Impairment, Long-Lived Asset, Held-for-Use, Net Impairment, Long-Lived Asset, Held-for-Use, Net Conic Manager LLC Conic Manager LLC [Member] Conic Manager LLC Assets Assets [Abstract] Insider Trading Policies and Procedures [Line Items] Performance restricted stock units Performance Restricted Share Units Performance Shares [Member] Pemaquid Manager LLC Pemaquid Manager LLC [Member] Pemaquid Manager LLC Number of projects terminated Number Of Projects Terminated Number Of Projects Terminated Interest expense, net Interest expense, net Interest Income (Expense), Nonoperating GDEV GP Greenbacker Development Opportunities GP I, LLC ("GDEV GP") [Member] Greenbacker Development Opportunities GP I, LLC ("GDEV GP") Schedule of Estimated Future Annual Amortization Expense Schedule Of Finite-Lived Intangible Assets And Liabilities, Net, Future Amortization Expense [Table Text Block] Schedule Of Finite-Lived Intangible Assets And Liabilities, Net, Future Amortization Expense Number of operating segments Number of Operating Segments Anti-dilutive shares excluded from calculation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Entity Central Index Key Entity Central Index Key GDEV II incentive fees Greenbacker Development Opportunities Fund II, LP ("GDEV") Incentive Fees [Member] Greenbacker Development Opportunities Fund II, LP ("GDEV") Incentive Fees Equity [Abstract] Equity [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] Direct operating costs Direct Operating Costs Schedule of Out-of-market Contract Amortization Expense Schedule Of Finite-Lived Out-Of-Market Contracts, Intangible Liabilities, Amortization Contra-Expense [Table Text Block] Schedule Of Finite-Lived Out-Of-Market Contracts, Intangible Liabilities, Amortization Contra-Expense Ownership [Axis] Ownership [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Derivatives Previously Designated as Hedging Instruments Designated as Hedging Instrument [Member] Schedule of Consolidated Income Tax Benefit (Expense) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Interest capitalized Interest Costs Capitalized Adjustment Basis spread on variable rate (in percent) Debt Instrument, Basis Spread on Variable Rate Total lease payments Finance Lease, Liability, to be Paid Accumulated other comprehensive income AOCI Attributable to Parent [Member] GDEV I GDEV I Greenbacker Development Opportunities Fund I, LP and Greenbacker Development Opportunities Fund I, LP (B) ("GDEV I") Netting [Member] Greenbacker Development Opportunities Fund I, LP and Greenbacker Development Opportunities Fund I, LP (B) ("GDEV I") Netting All Individuals All Individuals [Member] Investments at fair value Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Weighted-average period for recognition of unrecognized compensation cost (in years) Share-Based Payment Arrangement, Nonvested 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LLC ("OYA-Rosewood") Other noncurrent liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Greenbacker Renewable Energy Corporation (Premium financing agreement) Greenbacker Renewable Energy Corporation Premium Loan [Member] Greenbacker Renewable Energy Corporation Premium Loan Accumulated deficit Accumulated deficit Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Less: Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common shares, shares outstanding (in shares) Beginning balance (in shares) Ending balance 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Thereafter Other Commitment, to be Paid, after Year Five Development costs Construction In Progress, Development Costs Construction In Progress, Development Costs Schedule of Principal Payments Due on Borrowings Schedule of Maturities of Long-Term Debt [Table Text Block] Amortization of deferred financing fees and discount Amortization Of Debt Issuance Costs And Discounts, Less Sale-Leaseback Transaction Amortization Of Debt Issuance Costs And Discounts, Less Sale-Leaseback Transaction Reporting entity involvement, decrease each year, amount Guarantor Obligations, Maximum Exposure, Undiscounted, Annual Decrease Guarantor Obligations, Maximum Exposure, Undiscounted, Annual Decrease 2027-2028 Finance Lease, Liability, to be Paid, Rolling Year Two Out-of-market contracts, net Out-of-Market Contracts, Intangible Liabilities, Noncurrent Out-of-Market Contracts, Intangible Liabilities, Noncurrent Operating loss Operating Income (Loss) Remaining performance obligations Revenue, Remaining 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Segment Reporting [Table] Segment Reporting [Table] Number of monthly installments (in monthly installments) Debt Instrument, Principal Payment, Number Of Monthly Installments Debt Instrument, Principal Payment, Number Of Monthly Installments Related Party Transaction [Table] Related Party Transaction [Table] 2028-2029 Sale Leaseback Transaction, Financing Obligation, To Be Paid, Rolling Year Three Sale Leaseback Transaction, Financing Obligation, To Be Paid, Rolling Year Three Contingent consideration, current Business Combination, Contingent Consideration, Liability, Current Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] 2026-2027 Commitment To Sell Renewable Energy Credit, Next Rolling 12 Months Commitment To Sell Renewable Energy Credit, Next Rolling 12 Months Other Performance Measure, Amount Other Performance Measure, 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(loss) per share—basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Total current assets Assets, Current Insider Trading Arrangements [Line Items] Credit Agreement Credit Agreement [Member] Credit Agreement Name of Receivable with Imputed Interest [Domain] Name of Receivable with Imputed Interest [Domain] Long-term debt, net of current portion Total long-term debt, net Long-Term Debt, Excluding Current Maturities Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Failed sale-leaseback financing and deferred ITC gain, net of current portion Sale Leaseback Financing and Deferred Investment Tax Credit Gain, Noncurrent Portion [Abstract] Sale Leaseback Financing and Deferred Investment Tax Credit Gain, Noncurrent Portion Production capacity (in gigawatt) Production Capacity Production Capacity Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary 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[Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] 2028-2029 Commitment To Sell Renewable Energy Credit, Rolling Year Three Commitment To Sell Renewable Energy Credit, Rolling Year Three Other current and noncurrent liabilities Increase (Decrease) in Other Operating Liabilities Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Favorable Contract amortization as a reduction to revenue Power Purchase Agreements and Renewable Energy Credits [Member] Power Purchase Agreements and Renewable Energy Credits GDEV I incentive fees Greenbacker Development Opportunities Fund I, LP ("GDEV") Incentive Fees [Member] Greenbacker Development Opportunities Fund I, LP ("GDEV") Incentive Fees Other income (expense), net Other income (expense), net Other Nonoperating Income (Expense) Net out-of-market contracts Out-of-Market Contracts, Intangible Liabilities, Net Out-of-Market Contracts, Intangible Liabilities, Net Total Sale And Leaseback 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Commitment, to be Paid, Year One Class P-S Class P-S Shares [Member] Class P-S Shares Entity Address, Address Line Two Entity Address, Address Line Two Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Stock, Class of Stock [Table] Stock, Class of Stock [Table] Net loss Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Derivative liabilities Fair Value - (Liabilities) Derivative Liability GDEV OYA Lender GDEV OYA Lender Greenbacker Development Opportunities Fund I, OYA Lender LLC ("GDEV OYA Lender") [Member] Greenbacker Development Opportunities Fund I, OYA Lender LLC ("GDEV OYA Lender") Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax (expense) benefit Income Tax Expense (Benefit) Basis of Consolidation Consolidation, Policy [Policy Text Block] Potential additional cash payments Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] MN8 Energy Holdings LLC MN8 Energy Holdings LLC [Member] MN8 Energy Holdings LLC Statement [Table] Statement [Table] Number of development stage projects Number of Development Stage Projects Number of Development Stage Projects 2027-2028 Finite-Lived Intangible Assets And Liabilities, Net, Expected Amortization, Rolling Year Two Finite-Lived Intangible Assets And Liabilities, Net, Expected Amortization, Rolling Year Two Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Remaining Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Capitalized labor costs Capitalized Labor Costs [Member] Capitalized Labor Costs Capitalized cost, impairment charge Capitalized Contract Cost, Impairment Loss Upfront payments to customers, impairment loss Upfront Payments To Customers, Impairment Loss Upfront Payments To Customers, Impairment Loss GREC II Greenbacker Renewable Energy Company II, LLC ("GREC II") [Member] Greenbacker Renewable Energy Company II, LLC ("GREC II") Category of Item Purchased [Axis] Category of Item Purchased [Axis] Derivative Instruments and Hedging Activities Disclosure [Abstract]