Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Numerator for basic and diluted earnings per common share - Net income	$ 6,563	$ 5,689	$ 13,164	$ 10,868
Denominator:
Denominator for basic earnings per common share - weighted average common shares, including participating securities	9,268	9,607	9,251	9,644
Effect of warrants	0	350	147	345
Effect of employee stock options and restricted share activity	81	109	85	107
Denominator for diluted earnings per common share	9,349	10,066	9,483	10,096
Basic earnings per common share	$ 0.71	$ 0.59	$ 1.42	$ 1.13
Diluted earnings per common share	$ 0.7	$ 0.57	$ 1.39	$ 1.08