SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Weighted Average Shares Outstanding (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Weighted average number of shares outstanding – basic	32,599	32,517	32,642
Effect of dilutive securities:
Stock options	0	39	122
Non-vested stock and stock units	0	97	208
Weighted average number of shares outstanding – diluted	32,599	32,653	32,972
Anti-dilutive securities	619	303	114