STOCKHOLDERS' EQUITY - Repurchase of Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Note [Abstract]
Number of shares authorized to be repurchased (in shares)	3,763,038
Aggregate number of shares repurchased since inception (in shares)	2,818,244
Previously acquired treasury stock offset		$ 7,873	$ 18,069
Number of shares acquired under the stock repurchase plan and subsequently reissued (in shares)	249,848	136,629	240,995
Shares repurchased, average cost (in dollars per share)	$ 141.04	$ 98.54	$ 88.47