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CONDENSED CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 77 $ 1,847
Accumulated depreciation $ (205,867) $ (180,060)
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 110,000,000 110,000,000
Common stock, shares outstanding (in shares) 28,176,000 28,009,000
Treasury stock (in shares) 2,553,000 2,456,000