Investment Securities - Summary of Investment Securities Available for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Mar. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	$ 61,977	$ 63,979
Available for sale, Gross Unrealized Gains	622	365
Available for sale, Gross Unrealized Losses	(3,710)	(4,975)
Available for sale, Fair Value	58,889	59,369
FHLMC Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	22,741	23,085
Available for sale, Gross Unrealized Gains	221	107
Available for sale, Gross Unrealized Losses	(1,276)	(1,726)
Available for sale, Fair Value	21,686	21,466
GNMA Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	4,534	5,035
Available for sale, Gross Unrealized Gains	57	34
Available for sale, Gross Unrealized Losses		(2)
Available for sale, Fair Value	4,591	5,067
FNMA Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	26,080	27,237
Available for sale, Gross Unrealized Gains	344	224
Available for sale, Gross Unrealized Losses	(1,385)	(1,871)
Available for sale, Fair Value	25,039	25,590
Municipal Bonds
Debt Securities, Available-for-Sale [Line Items]
Available for sale, Amortized Cost	8,622	8,622
Available for sale, Gross Unrealized Losses	(1,049)	(1,376)
Available for sale, Fair Value	$ 7,573	$ 7,246

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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+ Details

- Definition

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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