Investment Securities - Schedule of Amortized Cost and Fair Value of Available for sale Investment Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Investment Securities Available-for-sale Amortized cost
Due after one year through five years	$ 3,011
Due after five years through ten years	1,952
Due after ten years	3,661
Mortgage-backed securities and collateralized mortgage obligations	54,017
Available for sale, Amortized Cost	62,641	$ 66,184
Investment Securities Available-for-sale, Estimated Fair Value
Due after one year through five years	2,816
Due after five years through ten years	1,560
Due after ten years	2,769
Mortgage-backed securities and collateralized mortgage obligations	49,889
Total	$ 57,034	$ 60,356

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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