Investment Securities-Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	$ 56,475	$ 60,735
Available-for-sale, Accumulated Gross Unrealized Gain	5	4
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(11,958)	(12,709)
Available-for-sale	44,522	48,030
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	1,750	2,008
Held-to-maturity Securities, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(52)	(103)
Securities held-to-maturity	1,698	1,905
Government National Mortgage Association (GNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	204	280
Available-for-sale, Accumulated Gross Unrealized Gain	5	4
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	0	(1)
Available-for-sale	209	283
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	249	292
Held-to-maturity Securities, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(9)	(9)
Securities held-to-maturity	240	283
Federal Home Loan Mortgage Corporation (FHLMC)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	18,779	20,299
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(4,017)	(4,501)
Available-for-sale	14,762	15,798
Federal National Mortgage Association (FNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	10,231	10,975
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(2,130)	(2,339)
Available-for-sale	8,101	8,636
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	1,501	1,716
Held-to-maturity Securities, Gross Unrealized Gains	0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss	(43)	(94)
Securities held-to-maturity	1,458	1,622
Mortgage-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	29,214	31,554
Available-for-sale, Accumulated Gross Unrealized Gain	5	4
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(6,147)	(6,841)
Available-for-sale	23,072	24,717
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	1,750
Securities held-to-maturity	1,698
US Government Agency Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	4,326	6,219
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(16)	(25)
Available-for-sale	4,310	6,194
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	5,262	5,266
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(2,442)	(2,203)
Available-for-sale	2,820	3,063
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	17,673	17,696
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax	(3,353)	(3,640)
Available-for-sale	$ 14,320	$ 14,056

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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