Loans and Leases (Impaired Loans) (Details 5) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment $ 21,279   $ 28,666
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 26,549   33,929
Impaired Financing Receivable, with Related Allowance, Recorded Investment 46,316   48,449
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 58,876   61,131
Recorded Investment 67,595   77,115
Unpaid Principal Balance 85,425   95,060
Related Allowance for Loan Losses 12,602   12,776
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 24,973 11,044  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 163 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 47,384 39,049  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 384 341  
Average Recorded Investment 72,357 50,093  
Interest Income Recognized 547 341  
Commercial
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 21,267   28,666
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 26,537   33,929
Impaired Financing Receivable, with Related Allowance, Recorded Investment 8,548   9,803
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 15,148   16,403
Recorded Investment 29,815   38,469
Unpaid Principal Balance 41,685   50,332
Related Allowance for Loan Losses 8,903   9,054
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 24,967 11,044  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 163 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 9,176 2,064  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 28 58  
Average Recorded Investment 34,143 13,108  
Interest Income Recognized 191 58  
Commercial and Industrial
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 13,040   12,709
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 18,298   17,967
Impaired Financing Receivable, with Related Allowance, Recorded Investment 8,548   9,803
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 15,148   16,403
Related Allowance for Loan Losses 8,903   9,054
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 12,875 7,216  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 92 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 9,176 2,008  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 28 50  
Commercial Mortgage
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 7,174   14,898
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 7,174   14,898
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 11,036 3,411  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 55 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 0 56  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 0 8  
Construction
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 1,053   1,059
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 1,065   1,064
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 1,056 417  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 16 0  
Consumer
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 12    
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 12    
Impaired Financing Receivable, with Related Allowance, Recorded Investment 37,768   38,646
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 43,728   44,728
Recorded Investment 37,780   38,646
Unpaid Principal Balance 43,740   44,728
Related Allowance for Loan Losses 3,699   3,722
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 6 0  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 0 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 38,208 36,985  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 356 283  
Average Recorded Investment 38,214 36,985  
Interest Income Recognized 356 283  
Residential Mortgage
     
Impaired Loans Information:      
Impaired Financing Receivable, with Related Allowance, Recorded Investment 31,344   32,338
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 37,304   38,420
Related Allowance for Loan Losses 3,598   3,619
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 31,841 31,237  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 236 147  
Home Equity
     
Impaired Loans Information:      
Impaired Financing Receivable, with Related Allowance, Recorded Investment 955   796
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 955   796
Related Allowance for Loan Losses 16   13
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 876 0  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 5 0  
Automobile
     
Impaired Loans Information:      
Impaired Financing Receivable, with Related Allowance, Recorded Investment 5,065   5,183
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 5,065   5,183
Related Allowance for Loan Losses 71   77
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 5,124 5,468  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method 107 133  
Other
     
Impaired Loans Information:      
Impaired Financing Receivable, with No Related Allowance, Recorded Investment 12    
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance 12    
Impaired Financing Receivable, with Related Allowance, Recorded Investment 404   329
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance 404   329
Related Allowance for Loan Losses 14   13
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment 6 0  
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method 0 0  
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment 367 280  
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method $ 8 $ 3