Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Premises and Equipment	$ 40,900	$ 51,921
Accumulated depreciation and amortization	(19,700)	(20,873)
Premises and Equipment, net	21,200	31,048
Land
Property, Plant and Equipment [Line Items]
Premises and Equipment	8,074	12,393
Buildings and land improvements
Property, Plant and Equipment [Line Items]
Premises and Equipment	19,264	26,651
Equipment
Property, Plant and Equipment [Line Items]
Premises and Equipment	$ 13,562	$ 12,877