Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Common Stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	45,000	45,000
Common Stock, shares issued	27,572	27,572
Common Stock, shares outstanding	27,249	27,249