Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Basic:
Weighted average shares outstanding	27,366,528	27,421,441	27,296,732
Effect of dilutive securities:
Common stock options	0	366,172	316,322
Total weighted average shares outstanding assuming dilution	27,366,528	27,787,613	27,613,054
Shares of common stock issued from the exercise of stock options	3,970	143,282	155,731