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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Jun. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Common stock, par value (usd per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 20,000,000 20,000,000
Common stock, shares issued (in shares) 11,115,779 11,115,779
Common stock, shares outstanding (in shares) 10,730,950 10,670,343
Treasury stock shares - at cost, common stock (in shares) 384,829 445,436