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Loans Held for Sale - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans serviced, but owned by third party	$ 32,800,000		$ 32,800,000		$ 43,800,000
Servicing asset	600,000		600,000		700,000
Servicing asset at fair value	700,000		700,000		800,000
Servicing asset related to sold mortgage loans				$ 8,000		$ 0
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	0		0		4,300,000
Loan, transferred to held for investment	300,000	$ 0	4,000,000.0	0
Gain on sale of loans held for sale	0		(79,000)
Servicing asset related to sold mortgage loans	72,000				27,000
Credit Card Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	15,000,000.0		15,000,000.0		11,400,000
SBA Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-sale	0		0		$ 0
Loan, transferred to held for investment	$ 0	$ 5,500,000	$ 0	$ 5,500,000

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- Definition

Represents the amount of loans serviced by the reporting entity but owned by a third party, as of a specified date.

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Servicing Asset Related to Sold Mortgage Loans

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Amount of gain (loss) on sale of financing receivable.

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Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security.

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Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

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