CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Preferred stock, $0.01 par value, 5,000,000 shares authorized; none issued or outstanding
Par value (in dollars per share)	$ 0.01	$ 0.01
Shares authorized (in shares)	5,000,000	5,000,000
Shares issued (in shares)	0	0
Shares outstanding (in shares)	0	0
Common stock, $0.01 par value, 50,000,000 shares authorized; 24,118,088 and 23,932,703 shares issued on December 31, 2019 and 2018, respectively
Par value (in dollars per share)	$ 0.01	$ 0.01
Shares authorized (in shares)	50,000,000	50,000,000
Shares issued (in shares)	24,118,088	23,932,703
Treasury stock, at cost, 10,174,199 and 10,116,459 shares on December 31, 2019 and 2018, respectively
Treasury stock (in shares)	10,174,199	10,116,459