Net Income (Loss) per Common Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Weighted average common shares outstanding basic	32,606,838	30,154,965	31,561,194	30,097,638
Dilutive effect of stock options and restricted stock (in shares)	477,702	317,671	520,156	297,779
Weighted average common shares outstanding diluted (in shares)	33,084,540	30,472,636	32,081,350	30,395,417