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Investment Securities-Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost	$ 5,679
Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost	26,673
Available-for-sale, Amortized Cost	66,058	$ 74,258
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value	5,330
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value	21,070
Available-for-sale	$ 53,843	67,596
Debt Securities, Available-for-sale, Maturity, Weighted Average Yield [Abstract]
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Weighted Average Yield	4.34%
Available-for-sale Securities, Debt Maturities, after Ten Years, Weighted Average Yield	3.33%
Available-for-sale Securities, Debt Maturities, Weighted Average Yield	2.56%
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount
Held-to-maturity	$ 2,318	5,254
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity
Securities held-to-maturity	$ 2,221	$ 5,276

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Available-for-sale Securities, Debt Maturities, Weighted Average Rate

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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).

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