XML 19 R6.htm IDEA: XBRL DOCUMENT v3.22.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 11,114 $ 9,217
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 14,800,000 14,800,000
Common stock, shares issued (in shares) 6,100,886 5,992,400
Treasury stock, shares, at cost (in shares) 467,153 410,877