EARNINGS PER SHARE - Basic and Diluted Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share, Basic and Diluted [Abstract]
Net income for basic and diluted income per common share	$ 46,843	$ 33,784	$ 19,609
Shares:
Weighted-average common shares outstanding - basic (in shares)	38,474,040	38,060,290	37,428,345
Weighted-average common shares outstanding - diluted (in shares)	39,103,450	38,358,171	37,594,158
Earnings (loss) per common share - basic (in dollars per share)	$ 1.22	$ 0.89	$ 0.52
Earnings (loss) per common share - diluted (in dollars per share)	$ 1.20	$ 0.88	$ 0.52
RSUs
Shares:
Effect of dilutive securities	48,077	10,566	12,416
Stock options
Shares:
Effect of dilutive securities	532,972	287,315	140,640
RSAs
Shares:
Effect of dilutive securities	14,667	0	0
PSUs
Shares:
Effect of dilutive securities	33,694	0	0
Warrants
Shares:
Effect of dilutive securities	0	0	12,757