Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets (Details)

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Goodwill and Other Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Dec. 31, 2011
Mar. 31, 2011
Goodwill by business segment      
Beginning Balance $ 444,268   $ 444,268
Adjustments / Reallocation of goodwill 0    
Ending Balance 444,268   444,268
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 513,948 506,584 506,584
Total other intangible assets, accumulated amortization (342,813) (331,282) (291,333)
Total other intangible assets, net of carrying value 171,135 175,302 215,251
Estimated amortization expense of other intangible assets      
2012 35,778    
2013 41,994    
2014 37,136    
2015 20,832    
2016 7,475    
2017 6,851    
Core deposit intangible [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 384,210 [1] 376,846 376,846
Total other intangible assets, accumulated amortization (272,946) (263,410) (230,339)
Total other intangible assets, net of carrying value 111,264 113,436 146,507
Customer relationship [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 104,574 104,574 104,574
Total other intangible assets, accumulated amortization (45,026) (43,052) (36,831)
Total other intangible assets, net of carrying value 59,548 61,522 67,743
Other [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 25,164 25,164 25,164
Total other intangible assets, accumulated amortization (24,841) (24,820) (24,163)
Total other intangible assets, net of carrying value 323 344 1,001
Regional & Commercial Banking [Member]
      
Goodwill by business segment      
Beginning Balance 16,169    
Adjustments / Reallocation of goodwill 0    
Ending Balance 16,169    
WGH [Member]
      
Goodwill by business segment      
Beginning Balance 98,951    
Adjustments / Reallocation of goodwill 0    
Ending Balance 98,951    
AFCRE [Member]
      
Goodwill by business segment      
Beginning Balance 0    
Adjustments / Reallocation of goodwill 0    
Ending Balance 0    
Treasury Other [Member]
      
Goodwill by business segment      
Beginning Balance 42,324    
Adjustments / Reallocation of goodwill 0    
Ending Balance 42,324    
Retail & Business Banking [Member]
      
Goodwill by business segment      
Beginning Balance 286,824    
Adjustments / Reallocation of goodwill 0    
Ending Balance $ 286,824    
[1] Includes $7,364 thousand related to the FDIC-assisted acquisition of Fidelity Bank on March 30, 2012.