INVESTMENT SECURITIES - Available for sale (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
INVESTMENT SECURITIES
Amortized Cost	$ 231,308	$ 235,591
Gross Unrealized Gains	29	43
Gross Unrealized Losses	(27,018)	(24,135)
Estimated Fair Value	204,319	211,499
Municipal securities
INVESTMENT SECURITIES
Amortized Cost	47,810	47,857
Gross Unrealized Gains	24	16
Gross Unrealized Losses	(8,123)	(7,612)
Estimated Fair Value	39,711	40,261
Agency securities
INVESTMENT SECURITIES
Amortized Cost	91,972	91,858
Gross Unrealized Gains		23
Gross Unrealized Losses	(6,826)	(5,974)
Estimated Fair Value	85,146	85,907
Real estate mortgage investment conduits
INVESTMENT SECURITIES
Amortized Cost	33,473	34,247
Gross Unrealized Losses	(6,210)	(5,370)
Estimated Fair Value	27,263	28,877
Residential mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	15,738	16,512
Gross Unrealized Losses	(1,201)	(1,041)
Estimated Fair Value	14,537	15,471
Other mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	42,315	45,117
Gross Unrealized Gains	5	4
Gross Unrealized Losses	(4,658)	(4,138)
Estimated Fair Value	$ 37,662	$ 40,983

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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-Section 50
-Paragraph 2
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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
-Topic 326
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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).

+ References

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-Publisher FASB
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