Earnings Per Common Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share, Basic and Diluted [Abstract]
Net income, basic	$ 7,290	$ 7,401	$ 11,641	$ 12,575
Basic (in shares)	44,308	44,055	44,297	43,880
Basic (in dollars per share)	$ 0.16	$ 0.17	$ 0.26	$ 0.29
Effect of dilutive stock options and warrants (in shares)	395	462	350	452
Net income, diluted	$ 7,290	$ 7,401	$ 11,641	$ 12,575
Diluted (in shares)	44,703	44,517	44,647	44,332
Diluted (in dollars per share)	$ 0.16	$ 0.17	$ 0.26	$ 0.28
Antidilutive securities excluded from EPS (in shares)	1,207	529	1,093	456