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Commitments and Contingencies - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($) letter_of_credit	Sep. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Sep. 30, 2025 USD ($) letter_of_credit	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($) letter_of_credit
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Insurance recoveries	$ 2,100
Provision (release) for loan credit losses	35,216	$ 4,644		$ 41,610	$ 14,169
Loss Contingency Loans
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Provision (release) for loan credit losses			$ (375)	1,300		$ 4,100
Contingency reserve	2,800			2,800
Contingency reserve provision for loan credit losses				1,200
Lending-related Commitments
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Reserve for lending related commitments	$ 5,000			$ 5,000		$ 3,500
Letter of credit | FHLB
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of instruments | letter_of_credit	45			45		37
Maximum borrowing capacity	$ 600,600			$ 600,600		$ 709,200

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