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Off-Balance Sheet Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Capital Contributions in SBICs and CDEs
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted stock and investments	$ 27,700	$ 23,500
Investments in SBICs and other limited partnerships
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted stock and investments	12,200	8,000
Capital Contributions, Low Income Housing Partnerships
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted stock and investments	6,800	7,300
Amortization	1,200	711	$ 747
Capital Contributions, Low Income Housing Partnerships \| Other Commitments, Unfunded Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Accrued interest payable and accrued liabilities	1,000	3,700
Capital Contributions, Limited Partnerships Corporation
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Restricted stock and investments	4,100	4,100
Amortization	0	0	$ 0
Capital Contributions, Limited Partnerships Corporation \| Other Commitments, Unfunded Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Accrued interest payable and accrued liabilities	$ 3,200	$ 3,200