Annual report pursuant to Section 13 and 15(d)

Premises and Equipment (Details)

v2.4.0.6
Premises and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross $ 1,353,047 $ 1,305,203  
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (788,618) (813,601)  
Property, Plant and Equipment, Net 564,429 491,602  
Property Plant and Equipment Income Statement Disclosures [Abstract]      
Total Depreciation And Amotization Of Premises And Equipment 70,413 64,934 66,089
Rental Income Credited To Occupancy Expense 10,878 10,108 11,755
Land and Land Improvements [Member]
     
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 123,312 120,069  
Building [Member]
     
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 375,603 367,003  
Leaseholds and Leasehold Improvements [Member]
     
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross 218,957 204,830  
Equipment [Member]
     
Property, Plant and Equipment, Net, by Type [Abstract]      
Property, Plant and Equipment, Gross $ 635,175 $ 613,301