Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income, basic	$ 4,351	$ 5,174
Basic (in shares)	44,275	43,703
Basic (in dollars per share)	$ 0.10	$ 0.12
Effect of dilutive stock options and warrants (in shares)	304	442
Net income, diluted	$ 4,351	$ 5,174
Diluted (in shares)	44,579	44,145
Diluted (in dollars per share)	$ 0.10	$ 0.12
Antidilutive securities excluded from EPS (in shares)	978	383