STOCK BASED COMPENSATION - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Options Granted
Outstanding at beginning of period	374,050	548,550	592,550
Options exercised	(327,000)	(117,500)	(44,000)
Options forfeited		(57,000)
Outstanding at end of period	47,050	374,050	548,550
Options exercisable	47,050	374,050	548,550
Weighted Average Exercise Price
Outstanding at beginning of period	$ 7.81	$ 7.79	$ 7.78
Options exercised	7.69	7.79	7.60
Options forfeited		7.66
Outstanding at end of period	8.68	7.81	7.79
Options exercisable	$ 8.68	$ 7.81	$ 7.79
Weighted-Average Remaining Contractual Term
Outstanding at end of period	1 year 11 months 15 days	1 year 29 days	2 years 7 days
Options exercisable	1 year 11 months 15 days	1 year 29 days	2 years 7 days
Aggregate Intrinsic Value
Outstanding at end of period	$ 761	$ 3,586	$ 5,270
Options exercisable	$ 761	$ 3,586	$ 5,270