Investment Securities-Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Mar. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	$ 67,181	$ 74,258
Available-for-sale, Gross Unrealized Gains	0	9
Available-for-sale, Gross Unrealized Losses	13,738	6,671
Available-for-sale	53,443	67,596
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	2,406	5,254
Held-to-maturity, Gross Unrealized Gains	0	36
Held-to-maturity, Gross Unrealized Losses	124	14
Held-to-maturity, Fair Value	2,282	5,276
Government National Mortgage Association (GNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	347	439
Available-for-sale, Gross Unrealized Gains	0	9
Available-for-sale, Gross Unrealized Losses	4	0
Available-for-sale	343	448
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	384	481
Held-to-maturity, Gross Unrealized Gains	0	27
Held-to-maturity, Gross Unrealized Losses	8	0
Held-to-maturity, Fair Value	376	508
Federal Home Loan Mortgage Corporation (FHLMC)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	22,012	23,744
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	4,518	2,197
Available-for-sale	17,494	21,547
Federal National Mortgage Association (FNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	11,868	12,852
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	2,357	1,268
Available-for-sale	9,511	11,584
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	2,022	4,773
Held-to-maturity, Gross Unrealized Gains	0	9
Held-to-maturity, Gross Unrealized Losses	116	14
Held-to-maturity, Fair Value	1,906	4,768
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	34,227	37,035
Available-for-sale, Gross Unrealized Gains	0	9
Available-for-sale, Gross Unrealized Losses	6,879	3,465
Available-for-sale	27,348	33,579
US Government Agency Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	9,860	13,864
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	38	79
Available-for-sale	9,822	13,785
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	5,269	5,271
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	2,324	1,150
Available-for-sale	2,945	4,121
Municipal Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	17,724	17,741
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	4,496	1,973
Available-for-sale	13,228	15,768
Asset-backed Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	101	347
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	1	4
Available-for-sale	$ 100	$ 343

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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