SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Weighted-Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accounting Policies [Abstract]
Weighted average number of shares outstanding - basic (shares)	32,579	32,522	32,568	32,538
Effect of dilutive securities:
Stock options (shares)	0	46	0	56
Non-vested stock and stock units (shares)	0	113	0	128
Weighted average number of shares outstanding - diluted (shares)	32,579	32,681	32,568	32,722
Anti-dilutive securities (shares)	622	283	552	250