SHAREHOLDERS' EQUITY - (Summary of Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, end of period (in dollars per share)	$ 4.40
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning of period (in shares)	25,417	38,850	39,017
Granted (in shares)	0	0	0
Exercised (in shares)	(4,085)	(13,433)	(167)
Cancelled (in shares)	(1,500)	0	0
Outstanding, end of period (in shares)	19,832	25,417	38,850
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, beginning of period (in dollars per share)	$ 4.01	$ 3.80	$ 3.80
Weighted Average Option Exercise Price, Granted (in dollars per share)	0	0	0
Weighted Average Option Exercise Price, Exercised (in dollars per share)	2.45	3.16	2.45
Weighted Average Option Exercise Price, Cancelled (in dollars per share)	3.10	0	0
Outstanding, end of period (in dollars per share)	$ 4.40	$ 4.01	$ 3.80