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LOANS AND ALLOWANCE FOR LOAN LOSSES - Narrative (Detail) | 12 Months Ended
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Dec. 31, 2018 USD ($) note
Receivables [Abstract] |
Maximum percentage of loan-to-value ratio upon loan origination (no more than) | 80.00%
Maximum percentage of loan-to-value ratios of the value of the real estate taken as collateral (no greater than) | 90.00%
Amount of loan on which reviews have been made annually | $ 500,000
Amount of loan on which reviews require approval | $ 250,000
Period past due when loans are deemed impaired | 90 days
Number of notes split | note | 2
Appraisals, required period interval | 18 months
Minimum amount on which annual updated appraisals for criticized loans are required | $ 250,000
Percentage of strong loan-to-value (or lower) | 70.00%

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