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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 80,000,000 80,000,000
Common stock, shares issued (in shares) 26,264,245 26,020,494
Common stock outstanding (in shares) 15,331,923 17,995,155
Treasury stock, shares (in shares) 10,932,322 8,025,339