INVESTMENT SECURITIES - Available for sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
INVESTMENT SECURITIES
Amortized Cost	$ 235,591	$ 178,874
Gross Unrealized Gains	43	57
Gross Unrealized Losses	(24,135)	(13,149)
Estimated Fair Value	211,499	165,782
Municipal securities
INVESTMENT SECURITIES
Amortized Cost	47,857	44,104
Gross Unrealized Gains	16	14
Gross Unrealized Losses	(7,612)	(4,514)
Estimated Fair Value	40,261	39,604
Agency securities
INVESTMENT SECURITIES
Amortized Cost	91,858	43,848
Gross Unrealized Gains	23	1
Gross Unrealized Losses	(5,974)	(3,144)
Estimated Fair Value	85,907	40,705
Real estate mortgage investment conduits
INVESTMENT SECURITIES
Amortized Cost	34,247	35,563
Gross Unrealized Gains		1
Gross Unrealized Losses	(5,370)	(2,847)
Estimated Fair Value	28,877	32,717
Residential mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	16,512	17,368
Gross Unrealized Gains		13
Gross Unrealized Losses	(1,041)	(436)
Estimated Fair Value	15,471	16,945
Other mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	45,117	37,991
Gross Unrealized Gains	4	28
Gross Unrealized Losses	(4,138)	(2,208)
Estimated Fair Value	$ 40,983	$ 35,811

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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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Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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Amount excluding accrued interest, 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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-Publisher FASB
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