Loans and Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	$ 8,000	$ 6,400
Financing Receivable, Recorded Investment, Nonaccrual Status	170,599	129,019
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	15,900	16,800
Financing Receivable Recorded Investment Thirty to Eighty Nine Days Past Due	3,000	3,600
Financing Receivable Recorded Investment Nonaccrual Status Current	151,700	108,600
Unfunded Commitments For Troubled Debt Restructurings	$ 4,600	$ 8,200