Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Noninterest Expense
Salaries and employee benefits	$ 8,363	$ 10,358	$ 26,052	$ 26,112
Occupancy and equipment	1,120	1,063	3,277	3,135
Professional fees	1,086	612	2,619	946
Software subscriptions	401	292	1,118	883
Amortization of intangible assets	392	277	1,176	655
Data processing	372	411	1,143	950
Insurance expense	319	273	924	855
FDIC deposit insurance premiums	308	251	966	727
Foreclosed assets	10	113	14	(93)
Acquisition and integration related costs		688		1,265
Other	1,925	2,081	6,073	5,877
Total noninterest expense	$ 14,296	16,419	$ 43,362	41,312
Pre-tax severance and retention cost		$ 2,177		$ 2,887