Loans and Leases (Loans and leases not covered by share agreements (in text)) (Details)	Jun. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Loans delinquent 30 to 89 days, percentage	0.73%	0.31%
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Percent of loans	57.00%	68.00%
Substandard
Financing Receivable, Recorded Investment [Line Items]
Percent of loans	43.00%	32.00%
Nonpass
Financing Receivable, Recorded Investment [Line Items]
Percent of nonaccrual loans	13.00%	8.00%