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ALLOWANCE FOR LOAN LOSSES: Impaired Financing Receivables (Details 4) - USD ($) $ in Thousands | Sep. 30, 2017 | Mar. 31, 2017
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | $ 6,475 | $ 10,697
Recorded Investment with Specific Valuation Allowance | 2,247 | 1,169
Total Recorded Investment | 8,722 | 11,866
Unpaid Principal Balance | 10,126 | 13,351
Related Specific Valuation Allowance | 150 | 88
Commercial Business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 1,117 | 294
Total Recorded Investment | 1,117 | 294
Unpaid Principal Balance | 1,336 | 301
Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 2,609 | 7,604
Recorded Investment with Specific Valuation Allowance | 1,095 |
Total Recorded Investment | 3,704 | 7,604
Unpaid Principal Balance | 4,628 | 8,806
Related Specific Valuation Allowance | 71 |
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 780 | 801
Total Recorded Investment | 780 | 801
Unpaid Principal Balance | 800 | 807
Multi-Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 1,669 | 1,692
Total Recorded Investment | 1,669 | 1,692
Unpaid Principal Balance | 1,797 | 1,826
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 300 | 306
Recorded Investment with Specific Valuation Allowance | 1,152 | 1,169
Total Recorded Investment | 1,452 | 1,475
Unpaid Principal Balance | 1,565 | 1,611
Related Specific Valuation Allowance | $ 79 | $ 88

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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=84173941&loc=SL6953550-111524 + Details
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