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Derivative, undesignated, number of instruments held Derivative, Undesignated, Number of Instruments Held Derivative, Undesignated, Number of Instruments Held Property, Plant, and Equipment, Lessor Asset under Operating Lease [Table] Property, Plant, and Equipment, Lessor Asset under Operating Lease [Table] Power purchase or lease agreement term Lessor, Operating Lease, Term of Contract Maximum percentage in payroll deductions to acquire shares of common stock Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Proceeds from transfer of investment tax credits Proceeds From Transfer of Investment Tax Credits Proceeds From Transfer of Investment Tax Credits Related Party Transaction [Table] Related Party Transaction [Table] Number of interest rate swaps Derivative, Number of Instruments Held Accrued Expenses and Other Liabilities Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Total (gains) losses Derivative, Gain (Loss) on Derivative, Net System sales receivables System Sales Receivables, Current System Sales Receivables, Current Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Net (loss) gain on derivatives, tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Income (loss) from operations Operating Income (Loss) Customer agreements and incentives Service [Member] Current Fiscal Year End Date Current Fiscal Year End Date Proceeds from issuance of non-recourse debt Proceeds from Issuance of Debt Energy Systems, net Energy Systems Disclosure [Text Block] Energy Systems Disclosure Payments received, net Payments Received [Member] Payments Received [Member] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Number of business activities Number Of Business Activities Number of business activities. Derivative [Line Items] Derivative [Line Items] 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Stock-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Distributions to noncontrolling interests and redeemable noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Gains reclassified from Accumulated other comprehensive income (“AOCI”) into income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Schedule of Carrying Amounts and Classification of the VIEs' Assets and Liabilities Included in the Consolidated Balance Sheets Schedule of Variable Interest Entities [Table Text Block] Debt discount amortization Amortization of Debt Discount (Premium) Other Assets Other Assets Disclosure [Text Block] Distributions to noncontrolling interests and redeemable noncontrolling interests Temporary Equity, Distributions to Noncontrolling Interests and Redeemable Noncontrolling Interests Temporary Equity, Distributions to Noncontrolling Interests and Redeemable Noncontrolling Interests Equity Components [Axis] Equity Components [Axis] Accounts receivable Increase (Decrease) in Accounts Receivable Related Party Related Party [Member] Product and Service [Domain] Product and Service [Domain] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Less: Net loss attributable to noncontrolling interests and redeemable noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Finance lease obligations, current portion Finance Lease, Liability, Current Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Deferred tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] (Gains) losses recognized into income Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Entity Small Business Entity Small Business Comprehensive income attributable to common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Unamortized debt discount Debt Instrument, Unamortized Discount Termination Date Trading Arrangement Termination Date Grid services receivables Grid Services Receivables, Current Grid Services Receivables, Current Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Issuance of restricted stock units, net of tax withholdings Restricted Stock, Value, Shares Issued Net of Tax Withholdings MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Total Other Assets, Noncurrent Document Type Document Type 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] Contributions from noncontrolling interests and redeemable noncontrolling interests Temporary Equity, Contributions from Noncontrolling Interests and Redeemable Noncontrolling Interests Temporary Equity, Contributions from Noncontrolling Interests and Redeemable Noncontrolling Interests Fair Value as of Grant Date Award Grant Date Fair Value Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Recourse debt Recourse Debt [Member] Recourse Debt Member Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Costs to obtain contracts Capitalized Contract Cost, Gross Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] 2022 Credit Agreement, SOFR Rate Loans 2022 Credit Agreement, SOFR Rate Loans [Member] 2022 Credit Agreement, SOFR Rate Loans Local Phone Number Local Phone Number Deferred revenue, net of current portion Contract with Customer, Liability, Noncurrent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Schedule of Activity for all Restricted Stock Units (RSUs) Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 14) Commitments and Contingencies Option Indexed to Issuer's Equity, Type [Domain] Option Indexed to Issuer's Equity, Type [Domain] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Amortization costs Amortization of Deferred Sales Commissions Other Assets [Abstract] Other Assets [Abstract] Products Manufactured Product, Other [Member] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Senior debt Senior Debt [Member] Senior Debt [Member] Executive Category: Executive Category [Axis] Renewal term Lessor, Operating Lease, Renewal Term Deferred tax liabilities Increase (Decrease) in Deferred Liabilities Liabilities and total equity Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Beginning balance Ending balance Temporary Equity, Carrying Amount, Attributable to Parent Schedule of Fair Value, Financial Instruments Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories Total Inventory, Net Equity Award Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurement Fair Value Disclosures [Text Block] Variable Interest Entity [Table] Variable Interest Entity [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Adjustment for net gain on derivatives recognized into earnings, net of income taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Other Assets [Table] Other Assets [Table] Other Assets [Table] Weighted-average remaining contractual life, options vested and exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted-Average Remaining Contractual Term PEO Name PEO Name Accrued expenses and other liabilities Total Accrued Liabilities and Other Liabilities Restricted cash, current and long-term Restricted Cash Deferred revenue Contract with Customer, Liability Cash paid for income taxes Income Tax Paid, before Refund Received Payments to redeemable noncontrolling interests and noncontrolling interests of investment tax credits Payments to Noncontrolling Interest of Investment Tax Credits Payments to Noncontrolling Interest of Investment Tax Credits Property, Plant and Equipment, Type [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Unrealized gain (loss) on derivatives, net of income taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Other Commitments [Line Items] Other Commitments [Line Items] Issuance of restricted stock units, net of tax withholdings (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and restricted cash, beginning of period Cash and restricted cash, end of period Total Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Other accrued expenses Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Repurchase of convertible senior notes Payments for Repurchase of Convertible Preferred Stock Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Securitized loans Securitized Loans [Member] Securitized Loans Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Property Subject to or Available for Operating Lease [Line Items] Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] Solar Energy Systems Disclosure [Abstract] Solar Energy Systems Disclosure [Abstract] Solar energy systems disclosure. Deferred grants, current portion Deferred Grant Current Portion Deferred grant current portion. Customer agreements Customer Agreements [Member] Customer Agreements [Member] Schedule of Debt Schedule of Debt [Table Text Block] Customer [Domain] Customer [Domain] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Deferred grants, net of current portion Deferred Grant Income Noncurrent Deferred grant income noncurrent. Deferred revenue, current portion Contract with Customer, Liability, Current Incentives Incentives [Member] Incentives [Member] Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Net (loss) income Temporary Equity, Net Income (Loss) Temporary Equity, Net Income (Loss) Award Type Award Type [Axis] Losses (gains) on derivatives designated as cash flow hedges recognized into OCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable (net of allowances for credit losses of $25,875 and $20,692 as of June 30, 2026 and December 31, 2025, respectively) Accounts receivable, net Total Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Restricted cash Restricted Cash, Noncurrent 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Unused borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Non-recourse debt, current portion Non Recourse Debt Current Non recourse debt current. Proceeds from state tax credits, net of recapture Proceeds From State Tax Credits Net Of Recapture Proceeds from state tax credits, net of recapture arrangements. Advances to direct-sales professionals Advances to Affiliate Derivative Contract [Domain] Derivative Contract [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Senior revolving and delayed draw loans Senior Revolving and Delayed Draw Loans [Member] Senior Revolving and Delayed Draw Loans Total liabilities, redeemable noncontrolling interests and total equity Liabilities and Equity Outstanding stock options Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Share-based compensation arrangement by share-based payment award, offering period Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Plan Name Plan Name [Axis] Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Other income (expense), net Other Nonoperating Income (Expense) Total Stockholders’ Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Aggregate intrinsic value, options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Canceled / forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and Administrative Expense Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, $0.0001 par value—authorized, 200,000 shares as of June 30, 2026 and December 31, 2025; no shares issued and outstanding as of June 30, 2026 and December 31, 2025 Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Other receivables Other Receivables, Gross, Current Hedging Designation [Domain] Hedging Designation [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Acquisition of noncontrolling interest Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Total Assets, Fair Value Disclosure Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Other noncash items Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Acquisition of noncontrolling interests Temporary Equity, Acquisition of noncontrolling interests Temporary Equity, Acquisition of noncontrolling interests Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Under Customer Agreements: Payments Under Customer Agreements [Member] Payments Under Customer Agreements [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental disclosures of cash flow information Supplemental Cash Flow Elements [Abstract] Energy system equipment costs Equipment [Member] Capped Call Capped Call [Member] Capped Call Largest Customer Largest Customer [Member] Largest Customer Schedule of Offsetting Liabilities Offsetting Liabilities [Table Text Block] Name Trading Arrangement, Individual Name Contractual interest rate (as percent) Debt Instrument, Interest Rate During Period Raw materials Inventory, Raw Materials, Net of Reserves Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Company Selected Measure Amount Company Selected Measure Amount Derivatives not designated as hedging instruments Not Designated as Hedging Instrument [Member] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Net loss Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Right-of-use assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets: Assets, Current [Abstract] Derivative liabilities, net amounts of liabilities Derivative Liability Prime Rate Prime Rate [Member] Non-PEO NEO Non-PEO NEO [Member] Under SREC contracts: SREC Contracts [Member] SREC Contracts Entity Address, Address Line One Entity Address, Address Line One Issued (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 (benefit) expense Income Tax Expense (Benefit) Costs Cost of Product and Service Sold Options vested and exercisable (in shares) Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Exercisable Number Share based compensation arrangement by share based payment award options vested and exercisable number. Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net change in cash and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Fixed Rate Senior Non Revolving Loans Fixed Rate Senior Non Revolving Loans [Member] Fixed Rate Senior Non Revolving Loans Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Numerator: Net Income (Loss) Attributable to Parent [Abstract] Distributions payable to noncontrolling interests and redeemable noncontrolling interests Distributions Payable To Noncontrolling Interests And Redeemable Noncontrolling Interests Distributions payable to non-controlling interests and redeemable non-controlling interests. Variable Interest Entities Variable Interest Entity, Primary Beneficiary [Member] Derivative liability, notional amount Derivative Liability, Notional Amount Net income attributable to common stockholders Net income attributable to common stockholders Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Corporate Joint Venture Corporate Joint Venture [Member] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Deferred Revenue Status [Domain] Deferred Revenue Status [Domain] [Domain] for Deferred Revenue Status [Axis] Net proceeds related to stock-based award activities Proceeds from Stock Options Exercised Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Deferred Revenue Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Federal Funds Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Interest rate swaps Derivative assets, gross amounts of recognized assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Purchases of property and equipment, net Payments for (Proceeds from) Productive Assets Maximum deductible fair market value of shares available for employee to purchase per calendar year Share Based Compensation Arrangement By Share Based Payment Award Maximum Deductible Fair Market Value Of Shares Per Calendar Year Share based compensation arrangement by share based payment award maximum deductible fair market value of shares per calendar year. Revenue: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]