NET INCOME PER COMMON SHARE - Schedule of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Net income	$ 39,839	$ 49,970
Adjustment for Basic EPS:
Earnings allocated to unvested shareholders	(213)	(325)
Adjusted net income	$ 39,626	$ 49,645
Denominator:
Weighted average common shares outstanding – Basic	47,523,593	47,369,764
Effect of dilutive shares:
Common stock equivalents arising from stock options and ESPP	940	191
Restricted stock awards and units and performance units	42,474	70,326
Weighted average common shares outstanding – Diluted	47,567,007	47,440,281
Basic	$ 0.83	$ 1.05
Diluted	$ 0.83	$ 1.05