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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Additional Information (Detail) |  |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 30, 2015 | Sep. 30, 2016 USD ($) note
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Loans that are deemed impaired, number of days past due (more than) |  |  |  | 90 days
Number of notes split | note |  |  |  | 2
Appraisals, required period interval |  |  |  | 18 months
Minimum amount on which annual updated appraisals for classified loans is required | $ |  |  |  | $ 250,000
Look-back period for historical losses |  | 4 years | 3 years |
Look-back, loss history weight, most recent 12 months |  |  | 50.00% |
Look-back, loss history weight, 2 years ago |  |  | 25.00% |
Look-back, loss history weight, 3 years ago |  |  | 25.00% |
Forecast |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Look-back period for historical losses | 5 years |  |  |
Maximum |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Percentage of loan-to-value ratio upon loan origination |  |  |  | 80.00%
Percentage of loan-to-value ratios of the value of the real estate taken as collateral |  |  |  | 90.00%
Percentage of credit worthiness of the borrower |  |  |  | 43.00%
Percentage of strong loan-to-value |  |  |  | 70.00%
Historical loss percentage adjustment to anticipated loss allocation |  | 1.50% |  | 1.50%
Minimum |  |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |  |
Historical loss percentage adjustment to anticipated loss allocation |  | (1.50%) |  | (1.50%)

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