Premises and Equipment, Net (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Premises and Equipment, Net [Abstract]
Depreciation and Amortization	$ 9,400,000	$ 7,600,000	$ 8,200,000
Operating Leases, Rent Expense, Gross	34,300,000	31,700,000	30,000,000
Operating Leases, Income Statement, Lease Revenue	553,000	$ 481,000	$ 500,000
Future Minimum Sublease Rental Income	$ 17,400,000