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ALLOWANCE FOR LOAN LOSSES: Schedule of TDRs by Interest Accrual Status (Details 6) - USD ($) $ in Thousands | Sep. 30, 2017 | Mar. 31, 2017
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrual | $ 6,348 | $ 9,429
Nonaccrual | 2,374 | 2,437
Total | 8,722 | 11,866
Commercial Business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrual | 827 |
Nonaccrual | 290 | 294
Total | 1,117 | 294
Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrual | 2,400 | 6,262
Nonaccrual | 1,304 | 1,342
Total | 3,704 | 7,604
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Nonaccrual | 780 | 801
Total | 780 | 801
Multi-Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrual | 1,669 | 1,692
Total | 1,669 | 1,692
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accrual | 1,452 | 1,475
Total | $ 1,452 | $ 1,475

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