Premises and Equipment Text Details - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Depreciation	$ 6,590	$ 6,468	$ 6,235
Guarantor Obligations, Maximum Exposure within Next Twelve Months	500
Operating Leases, Rent Expense, Net	$ 19,000	$ 15,700	$ 14,800