LOANS AND ALLOWANCE FOR LOAN LOSSES - Narrative (Detail)	12 Months Ended
	Dec. 31, 2019 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	$ 500,000
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%