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Fair Value Disclosures - Summary of Loans Held-for-Sale at Fair Value (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Fair Value Measurements Loans Held For Sale [Abstract]
Unpaid principal balance on loans held-for-sale	$ 24,453	$ 7,636	$ 16,086
Net unrealized gains on loans held-for-sale	727	157	427
Loans held-for-sale at fair value	$ 25,180	$ 7,793	$ 16,513

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Fair value measurements ,loans held-for-sale.

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Net unrealized gains on loans held-for-sale.

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Unpaid principal balance on loans held-for-sale.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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