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SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS: Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Mar. 31, 2016
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Shareholders Equity And Regulatory Capital Requirements [Abstract] |  |
Total capital to risk weighted assets actual amount | $ 112,421 | $ 105,277
Total capital to risk weighted assets actual ratio | 14.06% | 16.07%
Total capital to risk weighted assets for capital adequacy purposes amount | $ 63,955 | $ 52,405
Total capital to risk weighted assets for capital adequacy purposes ratio | 8.00% | 8.00%
Total capital to risk weighted assets for capital adequacy purposes well capitalized under prompt corrective action amount | $ 79,944 | $ 65,507
Total capital to risk weighted assets for capital adequacy purposes well capitalized under prompt corrective action ratio | 10.00% | 10.00%
Tier 1 to risk weighted assets actual amount | $ 102,411 | $ 97,046
Tier 1 to risk weighted assets actual ratio | 12.81% | 14.81%
Tier 1 to risk weighted assets for capital adequacy purposes amount | $ 47,966 | $ 39,304
Tier 1to risk weighted assets for capital adequacy purposes ratio | 6.00% | 6.00%
Tier 1 to risk weighted assets well capitalized under prompt corrective action amount | $ 63,955 | $ 52,405
Tier 1 to risk weighted assets well capitalized under prompt corrective action ratio | 8.00% | 8.00%
Common equity Tier 1 capital to risk weighted assets actual amount | $ 102,411 | $ 97,046
Common equity Tier 1 capital to risk weighted assets actual ratio | 12.81% | 14.81%
Common equity Tier 1 to risk weighted assets for capital adequacy purposes amount | $ 35,975 | $ 29,478
Common equity Tier 1 to risk weighted assets for capital adequacy purposes ratio | 4.50% | 4.50%
Common equity Tier 1 capital well capitalized under prompt corrective action amount | $ 51,963 | $ 42,579
Common equity Tier 1 capital well capitalized under prompt corrective action ratio | 6.50% | 6.50%
Tier 1 leverage to adjusted tangible assets actual amount | $ 102,411 | $ 97,046
Tier 1 leverage to adjusted tangible assets actual ratio | 10.21% | 11.18%
Tier 1 leverage capital assets for capital adequacy purposes amount | $ 40,110 | $ 34,718
Tier 1 leverage capital assets for capital adequacy purposes ratio | 4.00% | 4.00%
Tier 1 leverage capital assets well capitalized under prompt corrective action amount | $ 50,138 | $ 43,397
Tier1 leverage capital assets well capitalized under prompt corrective action ratio | 5.00% | 5.00%
Tangible capital to tangible assets actual amount | $ 102,411 | $ 97,046
Tangible capital to tangible assets actual ratio | 10.21% | 11.18%
Tangible capital to tangible assets for capital adequacy purposes amount | $ 15,041 | $ 13,019
Tangible capital to tangible assets for capital adequacy purposes ratio | 1.50% | 1.50%

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- Definition The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=d3e65071-112826 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=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=SL5958568-112826 Reference 2: 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=35709795&loc=d3e65071-112826 Reference 3: 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=35709795&loc=SL5958570-112826 + Details
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- Definition The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum amount of tangible capital required under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=d3e65071-112826 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=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum amount of Tangible Capital divided by tangible assets (Tangible Capital Ratio) as defined in the regulations. + 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=35709795&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=35709795&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=35709795&loc=d3e65071-112826 + Details
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- Definition The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=d3e65071-112826 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=35709795&loc=SL5958568-112826 + Details
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- Definition The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=SL5958568-112826 Reference 2: 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=35709795&loc=SL5958570-112826 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=35709795&loc=d3e65071-112826 + Details
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- Definition The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References Reference 1: 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=35709795&loc=SL5958568-112826 + Details
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