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INVESTMENT SECURITIES - Available for sale (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022
INVESTMENT SECURITIES
Amortized Cost	$ 201,290	$ 178,874
Gross Unrealized Gains	57	57
Gross Unrealized Losses	(19,650)	(13,149)
Estimated Fair Value	181,697	165,782
Municipal securities
INVESTMENT SECURITIES
Amortized Cost	48,008	44,104
Gross Unrealized Gains	5	14
Gross Unrealized Losses	(7,417)	(4,514)
Estimated Fair Value	40,596	39,604
Agency securities
INVESTMENT SECURITIES
Amortized Cost	55,533	43,848
Gross Unrealized Gains	20	1
Gross Unrealized Losses	(4,339)	(3,144)
Estimated Fair Value	51,214	40,705
Real estate mortgage investment conduits
INVESTMENT SECURITIES
Amortized Cost	37,198	35,563
Gross Unrealized Gains		1
Gross Unrealized Losses	(4,055)	(2,847)
Estimated Fair Value	33,143	32,717
Residential mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	16,214	17,368
Gross Unrealized Gains	1	13
Gross Unrealized Losses	(619)	(436)
Estimated Fair Value	15,596	16,945
Other mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	44,337	37,991
Gross Unrealized Gains	31	28
Gross Unrealized Losses	(3,220)	(2,208)
Estimated Fair Value	$ 41,148	$ 35,811

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- Definition

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 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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