Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Early adoption) (Details 2)

v2.4.0.8
Variable Interest Entities (Early adoption) (Details 2) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Consolidated Balance Sheets [Abstract]      
Other Assets $ 1,646,935   $ 1,609,877
Retained (deficit) earnings (1,379,832)   (1,479,323)
Consolidated Statements of Income [Abstract]      
Noninterest Income 248,485 256,618  
Income Tax Expense (Benefit) 52,097 55,129  
Net Income (Loss) Attributable to Parent 149,143 153,274  
Scenario, Previously Reported [Member] | Low Income Housing Tax Credit Partners [Member]
      
Consolidated Balance Sheets [Abstract]      
Other Assets     1,619,046
Retained (deficit) earnings     (1,470,154)
Consolidated Statements of Income [Abstract]      
Noninterest Income   252,209  
Income Tax Expense (Benefit)   52,214  
Net Income (Loss) Attributable to Parent   151,780  
Scenario Actual [Member] | Low Income Housing Tax Credit Partners [Member]
      
Consolidated Balance Sheets [Abstract]      
Other Assets     1,609,877
Retained (deficit) earnings     (1,479,323)
Consolidated Statements of Income [Abstract]      
Noninterest Income   256,618  
Income Tax Expense (Benefit)   55,129  
Net Income (Loss) Attributable to Parent   $ 153,274