Fair Value Disclosures - Summary of Loans Held-for-Sale at Fair Value (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Fair Value Measurements Loans Held For Sale [Abstract]
Unpaid principal balance on loans held-for-sale	$ 18,429	$ 24,654
Net unrealized gains on loans held-for-sale	503	777
Loans held-for-sale at fair value	$ 18,932	$ 25,431

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

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