CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Allowance for doubtful trade accounts receivable	$ 10,271	$ 9,169
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	80,533,536	80,533,536
Common stock, shares outstanding (in shares)	63,223,003	65,790,112
Treasury stock, shares (in shares)	17,310,533	14,743,424