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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

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