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Investment Securities and Other Investments - Summary of Investments Classified by Contractual Maturity Date (Detail) $ in Thousands	Jun. 30, 2024 USD ($)
Schedule of Investments [Abstract]
Debt Securities Available for Sale, Amortized Cost, Due in one year or less	$ 3,017
Debt Securities Available for Sale, Amortized Cost, Due after one year through five years	47,585
Debt Securities Available for Sale, Amortized Cost, Due after five years through ten years	115,602
Debt Securities Available for Sale, Amortized Cost, Due after ten years	198,717
Total	364,921
Debt Securities Available for Sale, Fair Value, Due in one year or less	2,970
Debt Securities Available for Sale, Fair Value, Due after one year through five years	43,335
Debt Securities Available for Sale, Fair Value, Due after five years through ten years	98,808
Debt Securities Available for Sale, Fair Value, Due after ten years	162,314
Total	$ 307,427

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