Other Real Estate Owned Other Real Estate Owned (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Schedule of Assets Repossessed or Foreclosed, or loans in process of foreclosure [Line Items]
Other Repossessed Assets	$ 7,200
Other repossessed assets, transfer to repossessed assets	11,379	$ 0
Other Real Estate, Foreclosed Assets, and Repossessed Assets	5,276		$ 14,190
Commercial Real Estate [Member]
Schedule of Assets Repossessed or Foreclosed, or loans in process of foreclosure [Line Items]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	2,359		7,888
Construction Real Estate [Member]
Schedule of Assets Repossessed or Foreclosed, or loans in process of foreclosure [Line Items]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	2,191		4,852
Residential Real Estate [Member]
Schedule of Assets Repossessed or Foreclosed, or loans in process of foreclosure [Line Items]
Other Real Estate, Foreclosed Assets, and Repossessed Assets	726		1,450
Mortgage Loans in Process of Foreclosure, Amount	$ 2,743		$ 2,948