Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Basic:
Weighted average shares outstanding	27,536,967	27,366,528	27,421,441
Effect of dilutive securities:
Common stock options	0	0	366,172
Total weighted average shares outstanding assuming dilution	27,536,967	27,366,528	27,787,613
Shares of common stock issued from the exercise of stock options	13,850	3,970	143,282