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Investment Securities-Unrealized Gain (Loss) on Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Mar. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	$ 68,761	$ 74,258
Available-for-sale, Gross Unrealized Gains	1	9
Available-for-sale, Gross Unrealized Losses	13,721	6,671
Available-for-sale	55,041	67,596
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	2,511	5,254
Held-to-maturity, Gross Unrealized Gains	0	36
Held-to-maturity, Gross Unrealized Losses	150	14
Held-to-maturity, Fair Value	2,361	5,276
Government National Mortgage Association (GNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	375	439
Available-for-sale, Gross Unrealized Gains	1	9
Available-for-sale, Gross Unrealized Losses	1	0
Available-for-sale	375	448
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	399	481
Held-to-maturity, Gross Unrealized Gains	0	27
Held-to-maturity, Gross Unrealized Losses	11	0
Held-to-maturity, Fair Value	388	508
Federal Home Loan Mortgage Corporation (FHLMC)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	22,448	23,744
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	4,491	2,197
Available-for-sale	17,957	21,547
Federal National Mortgage Association (FNMA)
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	12,094	12,852
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	2,484	1,268
Available-for-sale	9,610	11,584
Schedule of Held-to-maturity Securities [Line Items]
Debt Securities, Held-to-maturity, Total	2,112	4,773
Held-to-maturity, Gross Unrealized Gains	0	9
Held-to-maturity, Gross Unrealized Losses	139	14
Held-to-maturity, Fair Value	1,973	4,768
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	34,917	37,035
Available-for-sale, Gross Unrealized Gains	1	9
Available-for-sale, Gross Unrealized Losses	6,976	3,465
Available-for-sale	27,942	33,579
US Government Agency Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	10,743	13,864
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	24	79
Available-for-sale	10,719	13,785
Corporate Bonds
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	5,270	5,271
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	2,297	1,150
Available-for-sale	2,973	4,121
Municipal Securities
Debt Securities, Available-for-sale [Line Items]
Available-for-sale, Amortized Cost	17,730	17,741
Available-for-sale, Gross Unrealized Gains	0	0
Available-for-sale, Gross Unrealized Losses	4,422	1,973
Available-for-sale	13,308	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	2	4
Available-for-sale	$ 99	$ 343

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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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