Investment Securities-Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	$ 66,058	$ 74,258
Available-for-sale, Accumulated Gross Unrealized Gain	1	9
Available-for-sale, Accumulated Gross Unrealized Loss	12,216	6,671
Available-for-sale	53,843	67,596
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	2,318	5,254
Held-to-maturity Securities, Gross Unrealized Gains	0	36
Held-to-maturity Securities, Gross Unrealized Losses	97	14
Securities held-to-maturity	2,221	5,276
Government National Mortgage Association (GNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	341	439
Available-for-sale, Accumulated Gross Unrealized Gain	1	9
Available-for-sale, Accumulated Gross Unrealized Loss	1	0
Available-for-sale	341	448
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	366	481
Held-to-maturity Securities, Gross Unrealized Gains	0	27
Held-to-maturity Securities, Gross Unrealized Losses	3	0
Securities held-to-maturity	363	508
Federal Home Loan Mortgage Corporation (FHLMC)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	21,651	23,744
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Available-for-sale, Accumulated Gross Unrealized Loss	4,051	2,197
Available-for-sale	17,600	21,547
Federal National Mortgage Association (FNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	11,714	12,852
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Available-for-sale, Accumulated Gross Unrealized Loss	2,212	1,268
Available-for-sale	9,502	11,584
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	1,952	4,773
Held-to-maturity Securities, Gross Unrealized Gains	0	9
Held-to-maturity Securities, Gross Unrealized Losses	94	14
Securities held-to-maturity	1,858	4,768
Mortgage-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	33,706	37,035
Available-for-sale, Accumulated Gross Unrealized Gain	1	9
Available-for-sale, Accumulated Gross Unrealized Loss	6,264	3,465
Available-for-sale	27,443	33,579
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity	2,318
Securities held-to-maturity	2,221
US Government Agency Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	9,364	13,864
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Available-for-sale, Accumulated Gross Unrealized Loss	38	79
Available-for-sale	9,326	13,785
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	5,269	5,271
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Available-for-sale, Accumulated Gross Unrealized Loss	2,177	1,150
Available-for-sale	3,092	4,121
Municipal Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	17,719	17,741
Available-for-sale, Accumulated Gross Unrealized Gain	0	0
Available-for-sale, Accumulated Gross Unrealized Loss	3,737	1,973
Available-for-sale	$ 13,982	15,768
Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost		347
Available-for-sale, Accumulated Gross Unrealized Gain		0
Available-for-sale, Accumulated Gross Unrealized Loss		4
Available-for-sale		$ 343