Fair Value Of Financial Instruments - Summary Of Carrying Amounts And Estimated Fair Values By Fair Value Hierarchy Of Certain Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Carrying Amount
Financial assets:
Loans, net	$ 374,389	$ 348,337
Financial liabilities:
Interest-bearing deposits	308,254	317,704
Estimated Fair Value
Financial assets:
Loans, net	346,801	316,169
Financial liabilities:
Interest-bearing deposits	257,604	272,270
Level 2
Financial liabilities:
Interest-bearing deposits	257,604	272,270
Level 3
Financial assets:
Loans, net	$ 346,801	$ 316,169