Loans and Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Receivables [Abstract]
Nonaccrual Loans/Leases	$ 171,085,000		$ 171,085,000		$ 129,019,000
Receivable, 90 or more days past due	11,900,000		11,900,000		16,800,000
Receivable, 30-89 days past due	13,200,000		13,200,000		3,600,000
Financing receivable, nonaccrual status, current	146,000,000		146,000,000		$ 108,600,000
Charge-offs	$ 0	$ 0	$ 0	$ 0