Quarterly report pursuant to Section 13 or 15(d)

Loans and Leases and Allowance For Credit Losses (Textuals) (Details)

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Loans and Leases and Allowance For Credit Losses (Textuals) (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
D
Dec. 31, 2012
Mar. 30, 2012
Loans and Leases (Textuals)      
Amount of security for borrowing and advances $ 19,000,000,000    
All loans with an outstanding balance which evaluated on quarterly basis for impairment 1,000,000    
Amount guaranteed by U.S. Government 88,596,000 90,816,000  
Redefault status number of days 90    
Aggregate amount of net unamortized deferred loan origination fees and net unearned income 174,300,000 174,500,000  
Fidelity Bank loans acquired at fair value as of acquisition date     $ 523,900,000
Automobile and other consumer loans [Member]
      
Loans and Leases (Textuals)      
Loans charged off or written down past due 120    
Commercial and Industrial and Commercial Real Estate [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 90    
Loans charged off or written down past due 90    
Residential Mortgage [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 150    
Loans charged off or written down past due 150    
Home equity secured by first-lien other [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 150    
Loans charged off or written down past due 150    
Home equity secured by junior-lien [Member]
      
Loans and Leases (Textuals)      
Nonaccrual status number of days past due 120    
Loans charged off or written down past due 120