Investment Securities and Other Investments - Summary of Investments Classified by Contractual Maturity Date (Detail) $ in Thousands	Dec. 31, 2024 USD ($)
Schedule of Investments [Abstract]
Debt Securities Available for Sale, Amortized Cost, Due in one year or less	$ 496
Debt Securities Available for Sale, Amortized Cost, Due after one year through five years	51,381
Debt Securities Available for Sale, Amortized Cost, Due after five years through ten years	117,352
Debt Securities Available for Sale, Amortized Cost, Due after ten years	198,340
Total	367,569
Debt Securities Available for Sale, Fair Value, Due in one year or less	496
Debt Securities Available for Sale, Fair Value, Due after one year through five years	47,504
Debt Securities Available for Sale, Fair Value, Due after five years through ten years	101,662
Debt Securities Available for Sale, Fair Value, Due after ten years	162,373
Total	$ 312,035

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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