Earnings Per Common Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income, basic	$ 973	$ 4,818	$ 12,615	$ 17,393
Basic (in shares)	44,447	44,165	44,346	43,976
Basic (in dollars per share)	$ 0.02	$ 0.11	$ 0.28	$ 0.40
Effect of dilutive stock options and warrants (in shares)	553	569	417	491
Net income, diluted	$ 973	$ 4,818	$ 12,615	$ 17,393
Diluted (in shares)	45,000	44,734	44,763	44,467
Diluted (in dollars per share)	$ 0.02	$ 0.11	$ 0.28	$ 0.39
Antidilutive securities excluded from EPS (in shares)	408	168	864	468