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SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS (Tables) | 12 Months Ended
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Mar. 31, 2018
Shareholders Equity And Regulatory Capital Requirements [Abstract] |
Schedule of actual and required minimum capital amounts and ratios |
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | "Well Capitalized" Under Prompt Corrective Action |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  | $ | 123,061 |  |  |  | 15.41 | % |  | $ | 63,868 |  |  |  | 8.0 | % |  | $ | 79,835 |  |  |  | 10.0 | %
Tier 1 Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  |  | 113,066 |  |  |  | 14.16 |  |  |  | 47,901 |  |  |  | 6.0 |  |  |  | 63,868 |  |  |  | 8.0 |
Common equity tier 1 Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  |  | 113,066 |  |  |  | 14.16 |  |  |  | 35,926 |  |  |  | 4.5 |  |  |  | 51,893 |  |  |  | 6.5 |
Tier 1 Capital (Leverage): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Average Tangible Assets) |  |  | 113,066 |  |  |  | 10.26 |  |  |  | 44,093 |  |  |  | 4.0 |  |  |  | 55,116 |  |  |  | 5.0 |
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | "Well Capitalized" Under Prompt Corrective Action |
|  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
March 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  | $ | 112,421 |  |  |  | 14.06 | % |  | $ | 63,955 |  |  |  | 8.0 | % |  | $ | 79,944 |  |  |  | 10.0 | %
Tier 1 Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  |  | 102,411 |  |  |  | 12.81 |  |  |  | 47,966 |  |  |  | 6.0 |  |  |  | 63,955 |  |  |  | 8.0 |
Common equity tier 1 Capital: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Risk-Weighted Assets) |  |  | 102,411 |  |  |  | 12.81 |  |  |  | 35,975 |  |  |  | 4.5 |  |  |  | 51,963 |  |  |  | 6.5 |
Tier 1 Capital (Leverage): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(To Average Tangible Assets) |  |  | 102,411 |  |  |  | 10.21 |  |  |  | 40,110 |  |  |  | 4.0 |  |  |  | 50,138 |  |  |  | 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826 + Details
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