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Allowance for Loan Losses: Schedule of Impaired Loans, Average Recorded Investment and Interest Recognized (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Impaired Financing Receivable, Average Recorded Investment | $ 13,727 | $ 19,679 | $ 13,886 | $ 20,577
Impaired Financing Receivable, Interest Income, Accrual Method | 143 | 185 | 281 | 367
Commercial business |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 245 | 619 | 228 | 776
Impaired Financing Receivable, Interest Income, Accrual Method | 6 | 6 | 9 | 13
Commercial Real Estate |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 9,463 | 14,481 | 9,576 | 14,967
Impaired Financing Receivable, Interest Income, Accrual Method | 97 | 133 | 194 | 266
Land |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 801 | 801 | 801 | 801
Multi-Family |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 1,715 | 1,907 | 1,720 | 1,912
Impaired Financing Receivable, Interest Income, Accrual Method | 24 | 26 | 47 | 52
Consumer Member |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | 1,503 | 1,871 | 1,561 | 2,121
Impaired Financing Receivable, Interest Income, Accrual Method | $ 16 | $ 20 | $ 31 | $ 36

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- Definition Average 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 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5212-111524 + Details
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