OTHER COMPREHENSIVE INCOME (LOSS) - Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	$ 4,555	$ 2,814
Net income attributable to common stockholders	12,725	9,463
Unrealized Gains (Losses) on Securities | Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Sale of securities	156	271
Provision for income taxes	(43)	(75)
Net income attributable to common stockholders	$ 113	$ 196