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Basis Of Presentation And Significant Accounting Policies (Fair Value Of the Company's Derivative Instruments) (Details) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]  
Other Assets$ 7,407$ 9,292
Other Liabilities6,408737
Forward Contracts [Member]
  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]  
Other Assets1674,217
Other Liabilities6,385673
Whole Loan Commitments [Member]
  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]  
Other Assets832,319
Other Liabilities19 
Interest Rate Lock Commitments [Member]
  
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]  
Other Assets7,1572,756
Other Liabilities$ 4$ 64