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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, $0.01 par value, 50,000,000 shares authorized; 24,391,595 and 24,118,088 shares issued on December 31, 2020 and 2019, respectively
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	24,391,595	24,118,088
Treasury stock, at cost, 10,618,002 and 10,174,199 shares on December 31, 2020 and 2019, respectively
Treasury stock (in shares)	10,618,002	10,174,199

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Face amount or stated value per share of common stock.

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