Loans and Leases (Loans and leases not covered by share agreements (in text)) (Details)	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Loans delinquent 30 to 89 days, percentage	0.32%	0.30%
Nonpass
Financing Receivable, Recorded Investment [Line Items]
Percent of nonaccrual loans	9.00%	15.00%
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Percent of loans	69.00%	59.00%
Substandard
Financing Receivable, Recorded Investment [Line Items]
Percent of loans	31.00%	38.00%
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Percent of loans		3.00%