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SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS (Tables) | 12 Months Ended
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Mar. 31, 2022
Shareholders Equity And Regulatory Capital Requirements [Abstract] |
Schedule of actual and required minimum capital amounts and ratios | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | "Well Capitalized" | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | For Capital | ​ | Under Prompt | ​
​ | ​ | Actual |  | Adequacy Purposes |  | Corrective Action |
March 31, 2022 |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Capital: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | $ | 168,486 | ​ | 16.38 | % | $ | 82,305 | ​ | 8.0 | % | $ | 102,881 | ​ | 10.0 | %
Tier 1 Capital: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | ​ | 155,601 | ​ | 15.12 | ​ |  | 61,728 | ​ | 6.0 | ​ |  | 82,305 | ​ | 8.0 | ​
Common equity tier 1 Capital: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | ​ | 155,601 | ​ | 15.12 | ​ |  | 46,296 | ​ | 4.5 | ​ |  | 66,872 | ​ | 6.5 | ​
Tier 1 Capital (Leverage): | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Average Tangible Assets) | ​ | ​ | 155,601 | ​ | 9.19 | ​ |  | 67,763 | ​ | 4.0 | ​ |  | 84,704 | ​ | 5.0 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | "Well Capitalized" | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | For Capital | ​ | Under Prompt | ​
​ | ​ | Actual |  | Adequacy Purposes |  | Corrective Action |
March 31, 2021 |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total Capital: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | $ | 151,555 |  | 17.35 | % | $ | 69,879 |  | 8.0 | % | $ | 87,349 |  | 10.0 | %
Tier 1 Capital: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | ​ | 140,529 |  | 16.09 | ​ |  | 52,409 |  | 6.0 | ​ |  | 69,879 |  | 8.0 | ​
Common equity tier 1 Capital: | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Risk-Weighted Assets) | ​ | ​ | 140,529 |  | 16.09 | ​ |  | 39,307 |  | 4.5 | ​ |  | 56,777 |  | 6.5 | ​
Tier 1 Capital (Leverage): | ​ |  | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(To Average Tangible Assets) | ​ | ​ | 140,529 |  | 9.63 | ​ |  | 58,344 |  | 4.0 | ​ |  | 72,930 |  | 5.0 | ​

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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