Investment Securities - Summary of Investment Securities Held to Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
Schedule of Held-to-Maturity Securities [Line Items]
Held to maturity, Amortized Cost	$ 159	$ 175
Held to maturity, Gross Unrealized Gains	3	3
Held to maturity, Fair Value	162	178
FHLMC Bonds
Schedule of Held-to-Maturity Securities [Line Items]
Held to maturity, Amortized Cost	51	54
Held to maturity, Gross Unrealized Gains	1	1
Held to maturity, Fair Value	52	55
GNMA Bonds
Schedule of Held-to-Maturity Securities [Line Items]
Held to maturity, Amortized Cost	29	33
Held to maturity, Gross Unrealized Gains	1
Held to maturity, Fair Value	30	33
FNMA Bonds
Schedule of Held-to-Maturity Securities [Line Items]
Held to maturity, Amortized Cost	79	88
Held to maturity, Gross Unrealized Gains	1	2
Held to maturity, Fair Value	$ 80	$ 90

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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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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+ Details