Disclosures about Fair Value of Assets and Liabilities - Reconciliation of Unobservable Inputs (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Derivative liabilities \| Credit default swaps
Reconciliation of significant unobservable inputs, liabilities:
Gain (loss) recognized	$ (69)
Balance, end of period	(69)
Derivative liabilities \| Interest rate lock commitments
Reconciliation of significant unobservable inputs, liabilities:
Balance, beginning of period	(107)	$ (176)
Gain (loss) recognized	(1,067)	88
Balance, end of period	(1,174)	(88)
Servicing rights
Reconciliation of significant unobservable inputs, assets:
Balance, beginning of period	217,296	189,935
Additions
Purchased servicing	125
Originated servicing	5,749	3,338
Subtractions
Paydowns	(2,532)	(2,808)
Gain (loss) recognized	8,938	(754)
Balance, end of period	229,576	189,711
Derivative assets \| Put options
Reconciliation of significant unobservable inputs, assets:
Balance, beginning of period	31,930	31,296
Subtractions
Gain (loss) recognized	6,947	(3,001)
Balance, end of period	38,877	28,295
Derivative assets \| Interest rate floors
Reconciliation of significant unobservable inputs, assets:
Balance, beginning of period	9,540	4,043
Subtractions
Gain (loss) recognized	2,696	(2,258)
Balance, end of period	12,236	1,785
Derivative assets \| Interest rate lock commitments
Reconciliation of significant unobservable inputs, assets:
Balance, beginning of period	227	30
Subtractions
Gain (loss) recognized	(85)	96
Balance, end of period	$ 142	$ 126

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Amount of originated servicing classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of purchased servicing classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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