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Allowance for Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Mar. 31, 2016
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Impaired Financing Receivable, with No Related Allowance, Recorded Investment | $ 12,552 | $ 13,003
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,185 | 1,201
Impaired Financing Receivable, Recorded Investment | 13,737 | 14,204
Impaired Financing Receivable, Unpaid Principal Balance | 15,083 | 15,473
Impaired Financing Receivable, Related Allowance | 102 | 110
Commercial business |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 300 | 192
Impaired Financing Receivable, Recorded Investment | 300 | 192
Impaired Financing Receivable, Unpaid Principal Balance | 301 | 192
Commercial Real Estate |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 9,431 | 9,802
Impaired Financing Receivable, Recorded Investment | 9,431 | 9,802
Impaired Financing Receivable, Unpaid Principal Balance | 10,498 | 10,758
Land |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 801 | 801
Impaired Financing Receivable, Recorded Investment | 801 | 801
Impaired Financing Receivable, Unpaid Principal Balance | 807 | 807
Multi-Family |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 1,709 | 1,731
Impaired Financing Receivable, Recorded Investment | 1,709 | 1,731
Impaired Financing Receivable, Unpaid Principal Balance | 1,847 | 1,871
Consumer Member |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 311 | 477
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,185 | 1,201
Impaired Financing Receivable, Recorded Investment | 1,496 | 1,678
Impaired Financing Receivable, Unpaid Principal Balance | 1,630 | 1,845
Impaired Financing Receivable, Related Allowance | $ 102 | $ 110

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
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- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
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- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
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- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953550-111524 + Details
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