Premises and Equipment (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Depreciation	$ 3,688,000	$ 3,567,000	$ 3,356,000
Operating Leases, Rent Expense, Net	$ 1,000,000	$ 691,000	$ 571,000