Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Basic:
Weighted average shares outstanding (in shares)	27,462,794	27,243,128	27,485,730	27,397,342
Effect of dilutive securities:
Common stock options (in shares)	1,193	0	0	0
Total weighted average shares outstanding assuming dilution (in shares)	27,463,987	27,243,128	27,485,730	27,397,342
Shares of common stock issued from the exercise of stock options (in shares)	0	0	3,924	3,970
Stock options
Effect of dilutive securities:
Anti-dilutive stock options (in shares)	2,491,502	1,077,816	2,304,701	959,631