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ALLOWANCE FOR LOAN LOSSES: Schedule of Impaired Loans, Average Recorded Investment and Interest Recognized (Details 5) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | $ 8,758 | $ 13,727 | $ 9,794 | $ 13,886
Interest Recognized on Impaired Loans | 72 | 143 | 161 | 281
Commercial Business |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 1,116 | 245 | 842 | 228
Interest Recognized on Impaired Loans | 4 | 6 | 23 | 9
Commercial Real Estate |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 3,723 | 9,463 | 5,017 | 9,576
Interest Recognized on Impaired Loans | 31 | 97 | 61 | 194
Land |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 786 | 801 | 791 | 801
Multi-Family |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 1,675 | 1,715 | 1,680 | 1,720
Interest Recognized on Impaired Loans | 22 | 24 | 46 | 47
Consumer |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Average Recorded Investment | 1,458 | 1,503 | 1,464 | 1,561
Interest Recognized on Impaired Loans | $ 15 | $ 16 | $ 31 | $ 31

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