Fair Value - Significant Unobservable Inputs Used in Fair Value Measurements (Details) - Significant Unobservable Inputs (Level 3) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2025 USD ($) M	Dec. 31, 2024 USD ($) M
Expected Term (in months) \| Weighted Average
Fair value
Measurement input \| M	6	6
Collateral-dependent loans \| Financial Statement Values
Fair value
Assets, Fair value	$ 20,523	$ 20,734
Servicing Asset, Valuation Technique [Extensible Enumeration]	us-gaap:CostApproachValuationTechniqueMember	us-gaap:CostApproachValuationTechniqueMember
Collateral-dependent loans \| Financial Statement Values \| Minimum
Fair value
Measurement input	0	0
Collateral-dependent loans \| Financial Statement Values \| Maximum
Fair value
Measurement input	0.50	0.50
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities
Fair value
Liabilities, Fair value	$ (2,300)	$ (2,300)
Derivative Liability, Valuation Technique [Extensible Enumeration]	Discounted Cash Flow	Discounted Cash Flow
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Conversion Price \| Discounted Cash Flow \| Weighted Average
Fair value
Measurement input	1.5223	1.543
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Conversion Price \| Discounted Cash Flow \| Minimum
Fair value
Measurement input	1.4059	1.4444
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Conversion Price \| Discounted Cash Flow \| Maximum
Fair value
Measurement input	1.5223	1.543
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Growth Rate \| Discounted Cash Flow \| Weighted Average
Fair value
Growth Rate (as a percent)	16.00%	7.00%
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Growth Rate \| Discounted Cash Flow \| Minimum
Fair value
Growth Rate (as a percent)	(10.00%)	(21.00%)
Fair Value, Measurements, Recurring \| Derivative Financial Instruments, Liabilities \| Growth Rate \| Discounted Cash Flow \| Maximum
Fair value
Growth Rate (as a percent)	29.00%	19.00%

Percentage of assumed growth in a stock's market price, used as an input to measure fair value.

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- Definition

Fair value portion of asset recognized for present right to economic benefit.

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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

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- Definition

Indicates valuation technique for measuring derivative liability.

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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.

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- Definition

Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Indicates valuation technique for measuring servicing asset.

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