Deposits-Liabilities by Type (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Deposits, by Type
Non-interest-bearing demand	$ 110,525	$ 57,489
Interest-bearing checking	45,605	24,016
Non-interest bearing checking	108,199	97,812
Money market	137,230	112,634
Certificates of deposit	152,723	194,287
Mortgagors deposits	2,277	2,577
Total deposits	$ 556,559	$ 488,815
Percentage of Interest-bearing Domestic Deposit Liabilities to Deposit Liabilities
Percentage of Noninterest bearing demand deposits to deposits	19.86%	11.76%
Percentage of Interest-bearing Domestic Deposits to Deposits, Checking	8.19%	4.91%
Percentage of Interest-bearing Domestic Deposits to Deposits, Savings	19.44%	20.01%
Percentage of Interest-bearing Domestic Deposits to Deposits, Money Market	24.66%	23.04%
Percentage of Interest-bearing Domestic Deposits to Deposits, Certiificates of Deposits	27.44%	39.75%
Percentage of Interest-bearing Domestic Deposits to Deposits, Mortgagors deposits	0.41%	0.53%
Percent Total Deposits	100.00%	100.00%
Weighted Average Rate Domestic Deposit Liabilities
Weighted Average Rate Domestic Deposit, Demand	0.00%	0.00%
Weighted Average Rate Domestic Deposit, Checking	0.08%	0.12%
Weighted Average Rate Domestic Deposit, Savings	0.22%	0.26%
Weighted Average Rate Domestic Deposit, Money Market	0.42%	0.53%
Weighted Average Rate Domestic Deposit, Certificates of Deposits	1.54%	2.03%
Weighted Average Rate Domestic Deposit, Mortgagors Deposits	0.28%	1.04%
Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time	0.58%	0.91%

Percent Total Deposits

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Percentage of Noninterest bearing demand deposits to deposits

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
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Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

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Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).

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Amount of interest-bearing domestic checking deposit liabilities.

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Amount of other interest-bearing domestic deposit liabilities.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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Percentage of interest-bearing domestic checking demand deposit liabilities to total deposit liabilities.

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Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities.

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Percentage of interest-bearing domestic notice of withdrawal demand deposit liabilities to total deposit liabilities.

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Percentage of interest-bearing domestic savings deposit liabilities to total deposit liabilities.

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Percentage of interest-bearing domestic time deposit liabilities to total deposit liabilities.

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Amount of time deposit liabilities, including certificates of deposit.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
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Weighted average interest rate calculated at point in time for domestic deposit liability.

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The weighted average interest rate for domestic checking deposit liabilities.

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The weighted average interest rate for domestic demand deposit liabilities.

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The weighted average interest rate for domestic money market demand account deposit liabilities.

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The weighted average interest rate for domestic notice of withdrawal demand deposit liabilities.

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The weighted average interest rate for domestic savings deposit liabilities.

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The weighted average interest rate for domestic time deposit liabilities.

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