CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Par value of shares of common stock (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	100,000,000	100,000,000
Common stock, issued shares	18,245,000	18,063,000
Common stock, outstanding shares	16,771,000	16,819,000
Treasury stock, shares	1,475,000	1,244,000