Goodwill and Intangible Assets Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Total Amortization Expense [Abstract]
Amortization of intangible assets	$ 1,823	$ 716	$ 3,179	$ 1,221
Estimated Amortization Expense [Abstract]
For period 07/01/19-12/31/19	2,769		2,769
For year ended 12/31/20	4,836		4,836
For year ended 12/31/21	4,192		4,192
For year ended 12/31/22	3,826		3,826
For year ended 12/31/23	3,510		3,510
For year ended 12/31/24	2,910		2,910
Core Deposits [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	953	591	1,933	1,011
Customer Lists [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	317	45	635	91
Mortgage Servicing Rights [Member]
Total Amortization Expense [Abstract]
Amortization of intangible assets	$ 553	$ 80	$ 611	$ 119