Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts receivable, allowance for doubtful accounts	$ 27,664	$ 12,025
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	72,701,257	72,386,017
Treasury stock, shares (in shares)	11,284,350	8,667,031