INVESTMENT SECURITIES - Available for sale (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026
INVESTMENT SECURITIES
Amortized Cost	$ 201,461	$ 180,283
Gross Unrealized Gains	79	32
Gross Unrealized Losses	(25,650)	(25,547)
Estimated Fair Value	175,890	154,768
Municipal securities
INVESTMENT SECURITIES
Amortized Cost	37,092	37,106
Gross Unrealized Gains	10	10
Gross Unrealized Losses	(6,886)	(7,008)
Estimated Fair Value	30,216	30,108
Agency securities
INVESTMENT SECURITIES
Amortized Cost	5,976	5,975
Gross Unrealized Losses	(756)	(723)
Estimated Fair Value	5,220	5,252
Real estate mortgage investment conduits
INVESTMENT SECURITIES
Amortized Cost	53,857	45,206
Gross Unrealized Gains	15
Gross Unrealized Losses	(6,998)	(7,050)
Estimated Fair Value	46,874	38,156
Residential mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	89,282	81,198
Gross Unrealized Gains	52	19
Gross Unrealized Losses	(9,823)	(9,626)
Estimated Fair Value	79,511	71,591
Other mortgage-backed securities
INVESTMENT SECURITIES
Amortized Cost	15,254	10,798
Gross Unrealized Gains	2	3
Gross Unrealized Losses	(1,187)	(1,140)
Estimated Fair Value	$ 14,069	$ 9,661

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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