Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Common Share
Net income	$ 4,138	$ 4,674	$ 8,787	$ 8,162
Basic:
Weighted average shares outstanding	26,199	20,780	26,186	20,778
Earnings Per Share, Basic	$ 0.16	$ 0.22	$ 0.34	$ 0.39
Diluted:
Effect of dilutive securities - options	319	155	298	143
Weighted Average Number of Shares Outstanding, Diluted, Total	26,518	20,935	26,484	20,921
Earnings Per Share, Diluted	$ 0.16	$ 0.22	$ 0.33	$ 0.39