Investment Securities - Summary of Investment Securities Available for Sale (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Mar. 31, 2026
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	$ 70,993	$ 65,957
Available for sale, Gross Unrealized Gains	202	417
Available for sale, Gross Unrealized Losses	(5,761)	(3,840)
Available for sale, Fair Value	65,434	62,534
FHLMC Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	23,578	24,376
Available for sale, Gross Unrealized Gains	76	149
Available for sale, Gross Unrealized Losses	(1,995)	(1,311)
Available for sale, Fair Value	21,659	23,214
GNMA Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	9,363	6,948
Available for sale, Gross Unrealized Gains	11	44
Available for sale, Gross Unrealized Losses	(217)	(19)
Available for sale, Fair Value	9,157	6,973
FNMA Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	30,793	26,010
Available for sale, Gross Unrealized Gains	115	224
Available for sale, Gross Unrealized Losses	(2,453)	(1,407)
Available for sale, Fair Value	28,455	24,827
Municipal Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	7,259	8,623
Available for sale, Gross Unrealized Losses	(1,096)	(1,103)
Available for sale, Fair Value	$ 6,163	$ 7,520

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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- Definition

Amount 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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