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Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 15,221 $ 16,941
Accumulated depreciation and amortization of property and equipment 213,557 233,786
Accumulated amortization of intangible assets $ 133,623 $ 110,909
Preferred stock, par value ( in usd per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 3,000,000 3,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 34,828,000 34,897,000
Common stock, shares outstanding (in shares) 34,828,000 34,897,000