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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 1,553 $ 1,636
Preferred stock, par value (in USD per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
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) 30,000,000 30,000,000
Common stock, shares issued (in shares) 20,503,438 20,342,695
Common stock, shares outstanding (in shares) 19,070,744 18,910,001
Treasury stock, shares outstanding (in shares) 1,432,694 1,432,694