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
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Goodwill by business segment      
Beginning Balance $ 444,268    
Goodwill acquired during the period 64,180    
Adjustments / Reallocation of goodwill 0    
Goodwill impairment 3,000 0  
Ending Balance 505,448    
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 519,466   512,387
Total other intangible assets, accumulated amortization (438,006)   (419,194)
Total other intangible assets, net of carrying value 81,460   93,193
Estimated amortization expense of other intangible assets      
2013 19,029    
2014 21,783    
2015 8,407    
2016 7,762    
2017 6,752    
2018 and after 6,205    
Goodwill impairment 3,000 0  
Core deposit intangible [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 387,105   380,249
Total other intangible assets, accumulated amortization (350,602)   (335,552)
Total other intangible assets, net of carrying value 36,503   44,697
Customer relationship [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 107,197   106,974
Total other intangible assets, accumulated amortization (62,403)   (58,675)
Total other intangible assets, net of carrying value 44,794   48,299
Other [Member]
      
Summary of other intangible assets      
Total other intangible assets, gross carrying amount 25,164   25,164
Total other intangible assets, accumulated amortization (25,001)   (24,967)
Total other intangible assets, net of carrying value 163   197
Retail & Business Banking [Member]
      
Goodwill by business segment      
Beginning Balance 286,824    
Goodwill acquired during the period 64,180    
Adjustments / Reallocation of goodwill 0    
Goodwill impairment 0    
Ending Balance 351,004    
Estimated amortization expense of other intangible assets      
Goodwill impairment 0    
Commercial Banking [Member]
      
Goodwill by business segment      
Beginning Balance 16,169    
Goodwill acquired during the period 0    
Adjustments / Reallocation of goodwill 5,939    
Goodwill impairment 0    
Ending Balance 22,108    
Estimated amortization expense of other intangible assets      
Goodwill impairment 0    
AFCRE [Member]
      
Goodwill by business segment      
Beginning Balance 0    
Goodwill acquired during the period 0    
Adjustments / Reallocation of goodwill 0    
Goodwill impairment 0    
Ending Balance 0    
Estimated amortization expense of other intangible assets      
Goodwill impairment 0    
RBPCG [Member]
      
Goodwill by business segment      
Beginning Balance 98,951    
Goodwill acquired during the period 0    
Adjustments / Reallocation of goodwill (8,939)    
Goodwill impairment 0    
Ending Balance 90,012    
Estimated amortization expense of other intangible assets      
Goodwill impairment 0    
Home Lending [Member]
      
Goodwill by business segment      
Beginning Balance 0    
Goodwill acquired during the period 0    
Adjustments / Reallocation of goodwill 3,000    
Goodwill impairment 3,000    
Ending Balance 0    
Estimated amortization expense of other intangible assets      
Goodwill impairment 3,000    
Treasury Other [Member]
      
Goodwill by business segment      
Beginning Balance 42,324    
Goodwill acquired during the period 0    
Adjustments / Reallocation of goodwill 0    
Goodwill impairment 0    
Ending Balance 42,324    
Estimated amortization expense of other intangible assets      
Goodwill impairment $ 0