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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Weighted-Average Shares Outstanding (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Accounting Policies [Abstract]        
Weighted average number of shares outstanding - basic (shares) 32,624 32,482 32,587 32,519
Effect of dilutive securities:        
Stock options (shares) 10 38 0 50
Non-vested stock and stock units (shares) 197 96 0 111
Weighted average number of shares outstanding - diluted (shares) 32,831 32,616 32,587 32,680
Anti-dilutive securities (shares) 248 202 652 276