Securitization of Financial Assets - Additional Information (Details) $ in Thousands	3 Months Ended
Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Payment from debtors to securitization trust	$ 326,093	$ 299,739
Securitization assets allowance	$ 3,000	3,000
Interest In Real Estate And Repayment To Other Financings \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Retained interest	60.00%
Installation Of Energy Efficiency And Other Technologies \| Revenue from Contract with Customer, Product and Service Benchmark \| Product Concentration Risk
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Retained interest	40.00%
Greater than 90 days past due
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Payment from debtors to securitization trust	$ 0
Securitized assets
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Annual servicing fees (up to)	0.25%
Securitized assets \| Unconsolidated Securitization Trusts
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Managed assets	$ 7,300,000	7,200,000
Securitized assets \| Unconsolidated Securitization Trusts \| Asset Management Arrangement \| Investor
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Managed assets	$ 6,700,000	$ 6,600,000
Securitized assets \| Minimum \| Discount rate
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Discount rates to determine fair market value of underlying assets	0.053
Securitized assets \| Maximum \| Discount rate
Securitization or Asset-backed Financing Arrangement, Financial Asset for which Transfer is Accounted as Sale [Line Items]
Discount rates to determine fair market value of underlying assets	0.086

Accounts Receivable From Securitization, Allowance For Credit Loss

No definition available.

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- Definition

Services Fee Annual Rate

+ References

No definition available.

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- Definition

The amount owed to the reporting entity by counterparties in securitized loan transactions.

+ References

No definition available.

+ Details

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- Definition

The carrying amount of assets an investment adviser manages on behalf of investors.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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- Definition

Value of input used to measure servicing asset.

+ References

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- Details

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- Details

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