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Investment Securities and Other Investments - Summary of Investments Classified by Contractual Maturity Date (Detail) $ in Thousands	Mar. 31, 2025 USD ($)
Schedule of Investments [Abstract]
Debt Securities Available for Sale, Amortized Cost, Due in one year or less	$ 601
Debt Securities Available for Sale, Amortized Cost, Due after one year through five years	55,279
Debt Securities Available for Sale, Amortized Cost, Due after five years through ten years	113,467
Debt Securities Available for Sale, Amortized Cost, Due after ten years	206,365
Total	375,712
Debt Securities Available for Sale, Fair Value, Due in one year or less	602
Debt Securities Available for Sale, Fair Value, Due after one year through five years	51,887
Debt Securities Available for Sale, Fair Value, Due after five years through ten years	100,194
Debt Securities Available for Sale, Fair Value, Due after ten years	172,718
Total	$ 325,401

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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).

+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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