Annual report pursuant to Section 13 and 15(d)

Segment Reporting (Details)

v2.4.0.6
Segment Reporting (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
atm
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
segment
market
atm
Dec. 31, 2011
Dec. 31, 2010
Business Segment Financial Information                      
Net interest income $ 434,055 $ 430,298 $ 428,962 $ 417,209 $ 415,025 $ 406,478 $ 403,337 $ 404,330 $ 1,710,524 $ 1,629,170 $ 1,618,805
Provision for credit losses 39,458 37,004 36,520 34,406 45,291 43,586 35,797 49,385 147,388 174,059 634,547
Noninterest income 297,651 261,067 253,819 285,320 229,352 258,559 255,767 236,945 1,097,857 980,623 1,041,858
Noninterest expense 470,628 458,303 444,269 462,676 430,274 439,118 428,409 430,699 1,835,876 1,728,500 1,673,805
Goodwill, Impairment Loss                 0 0  
Income taxes 54,341 28,291 49,286 52,177 41,954 38,942 48,980 34,745 184,095 164,621 39,964
Net Income (Loss) Attributable to Parent 167,279 167,767 152,706 153,270 126,858 143,391 145,918 126,446 641,022 542,613 312,347
Segment Disclosure of Assets and Deposit                      
Assets 56,153,185       54,450,652       56,153,185 54,450,652  
Deposits 46,252,683       43,279,625       46,252,683 43,279,625  
Segment Reporting (Textuals) [Abstract]                      
Number of reporting segments                 4    
Number of ATM's 1,350               1,350    
Company's definition of Business Banking by revenue size                 up to $25 million    
Number of business banking business                 163,000    
Number of Regional and Commercial Banking markets                 11    
Retail & Business Banking [Member]
                      
Business Segment Financial Information                      
Net interest income                 870,146 932,385 867,069
Provision for credit losses                 136,061 120,018 157,994
Noninterest income                 385,498 405,265 394,705
Noninterest expense                 982,378 947,794 902,186
Income taxes                 48,022 94,443 70,558
Net Income (Loss) Attributable to Parent                 89,183 175,395 131,036
Segment Disclosure of Assets and Deposit                      
Assets 14,362,630       13,888,693       14,362,630 13,888,693  
Deposits 28,367,264       27,536,497       28,367,264 27,536,497  
Regional & Commercial Banking [Member]
                      
Business Segment Financial Information                      
Net interest income                 273,869 244,392 211,511
Provision for credit losses                 10,689 11,013 104,705
Noninterest income                 138,454 127,315 111,237
Noninterest expense                 203,000 191,701 158,871
Income taxes                 69,522 59,147 20,710
Net Income (Loss) Attributable to Parent                 129,112 109,846 38,462
Segment Disclosure of Assets and Deposit                      
Assets 11,540,966       10,185,692       11,540,966 10,185,692  
Deposits 5,862,858       4,682,977       5,862,858 4,682,977  
AFCRE [Member]
                      
Business Segment Financial Information                      
Net interest income                 356,442 364,449 338,312
Provision for credit losses                 (22,962) (8,939) 184,757
Noninterest income                 84,619 77,623 73,933
Noninterest expense                 154,480 164,626 155,963
Income taxes                 108,340 100,234 25,033
Net Income (Loss) Attributable to Parent                 201,203 186,151 46,492
Segment Disclosure of Assets and Deposit                      
Assets 12,085,128       12,872,532       12,085,128 12,872,532  
Deposits 995,035       881,083       995,035 881,083  
WGH [Member]
                      
Business Segment Financial Information                      
Net interest income                 192,681 199,536 169,201
Provision for credit losses                 23,600 51,967 95,586
Noninterest income                 351,057 248,764 338,633
Noninterest expense                 376,239 356,513 358,707
Income taxes                 50,365 13,937 18,740
Net Income (Loss) Attributable to Parent                 93,534 25,883 34,801
Segment Disclosure of Assets and Deposit                      
Assets 7,570,256       7,473,560       7,570,256 7,473,560  
Deposits 9,507,785       9,115,052       9,507,785 9,115,052  
Treasury/Other [Member]
                      
Business Segment Financial Information                      
Net interest income                 17,386 (111,592) 32,712
Provision for credit losses                 0 0 91,505
Noninterest income                 138,229 121,656 123,350
Noninterest expense                 119,779 67,866 98,078
Income taxes                 (92,154) (103,140) (95,077)
Net Income (Loss) Attributable to Parent                 127,990 45,338 61,556
Segment Disclosure of Assets and Deposit                      
Assets 10,594,205       10,030,175       10,594,205 10,030,175  
Deposits $ 1,519,741       $ 1,064,016       $ 1,519,741 $ 1,064,016