Fair Value Of Financial Instruments - Summary of Fair Value Measurement of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring - Estimated Fair Value - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Assets, Fair Value Disclosure [Abstract]
Individually evaluated loans	$ 448
Impaired loans		$ 629
Total assets at fair value	448	629
Level 3
Assets, Fair Value Disclosure [Abstract]
Individually evaluated loans	448
Impaired loans		629
Total assets at fair value	$ 448	$ 629