Business Combination - MISN Consideration (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 28, 2014	Dec. 31, 2014	Dec. 31, 2013
Pro Forma Financial Information
Net interest Income			$ 59,269
Provision for loan and lease losses			310
Non-interest income			14,755
Non-interest expense			54,461
Income before income tax expense			19,253
Income tax expense			7,552
Net income			$ 11,701
Loss Per Common Share
Basic (in dollars per share)			$ 0.33
Diluted (in dollars per share)			$ 0.33
MISN
Consideration Paid
Cash payments for MISN shares outstanding	$ 2,554
Cash payments for MISN warrants	5,766
Cash payments for MISN options	387
Shares issued, @7.99 per share	60,255
Total consideration paid	$ 68,962
Pro Forma Financial Information
Net interest Income		$ 61,185
Non-interest income		10,189
Non-interest expense		58,227
Income before income tax expense		13,147
Income tax expense		4,553
Net income		$ 8,594
Loss Per Common Share
Basic (in dollars per share)		$ 0.25
Diluted (in dollars per share)		$ 0.25