Premises and Equipment, Net (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Premises and Equipment, Net [Abstract]
Depreciation and Amortization	$ 8,200,000	$ 8,100,000	$ 8,400,000
Operating Leases, Rent Expense, Gross	30,000,000	26,200,000	23,800,000
Operating Leases, Income Statement, Lease Revenue	500,000	$ 487,000	$ 589,000
Future Minimum Sublease Rental Income	$ 24,500,000