Goodwill and Intangible Assets Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Total Amortization Expense [Abstract]
Amortization of intangible assets	$ 455	$ 155	$ 1,312	$ 466
Estimated Amortization Expense [Abstract]
For period 10/01/16-12/31/16	557		557
For year ended 12/31/17	1,502		1,502
For year ended 12/31/18	1,373		1,373
For year ended 12/31/19	1,259		1,259
For year ended 12/31/20	1,113		1,113
For year ended 12/31/21	890		890
Core Deposits [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	395	155	1,161	466
Customer Lists [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	46	0	137	0
Mortgage Servicing Rights [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	$ 14	$ 0	$ 14	$ 0