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Guarantees (Narrative) (Details) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Guarantee Obligations [Line Items]          
Qualitative And Quantitative Information Assets Or Liabilities For Transferors Continuing Involvement In Securitization Or Asset backed Financing Arrangement Principal Amounts Outstanding $ 113,500,000   $ 113,500,000   $ 122,300,000
Repurchased Loan 2,100,000   3,700,000   12,500,000
Valuation Allowances And Reserves Balance 347,000,000   347,000,000   12,500,000
Repurchase loan subject to credit recourse 95,000   145,000    
Gain (Loss) On Repurchase Loan Not Subject To Credit Recourse 494,000 303,000 929,000 477,000  
Funds Advanced To Investors Under Servicing Agreements 347,000   347,000   243,000
Serviced mortgage loans for third parties 1,100,000,000   1,100,000,000    
Loan serviced under representation warranties [Member]
          
Guarantee Obligations [Line Items]          
Repurchased Loan $ 5,100,000