Loans and Leases (Financing receivables, non accrual status) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Receivables [Abstract]
Nonaccrual loans	$ 46,316	$ 37,874
Nonaccrual troubled debt restructured loans	1,434	1,781
Total nonaccrual loans	47,750	39,655
Accruing loans past due 90 days or more	639	0
Performing troubled debt restructured loans	$ 10,711	$ 11,075