Net Income (Loss) Per Common Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Abstract]
Weighted average common shares outstanding basic	29,623,177	30,968,269	29,586,708	31,004,779
Dilutive effect of stock options and restricted stock (in shares)	466,397	316,646	426,131	337,324
Weighted average common shares outstanding diluted (in shares)	30,089,574	31,284,915	30,012,839	31,342,103
Anti-dilutive securities excluded from computation of net earnings or loss per common share	648,084	381,733	780,751	381,733