Annual report pursuant to Section 13 and 15(d)

Fair Value, Measurement Inputs, Disclosure (Details)

v2.4.0.8
Fair Value, Measurement Inputs, Disclosure (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading Securities Categorized as Level 1 Assets 100.00%  
Avaialble-for-sale Securities Categorized as Level 2 Assets 100.00%  
Assets Reported at Fair Value, Available-for-sale Securities 78.30%  
Assets Reported at Fair Value, Trading Securities 6.40%  
Mortgage Loans Held-for-sale Categorized as Level 2 Assets 22.00%  
Mortgage Loans Held-for-sale Categorized as Level 3 Assets 78.00%  
Mortgage Loans Held-for-investment Categorized as Level 2 Assets 100.00%  
Mortgage Servicing Rights Categorized as Level 3 Assets 100.00%  
Interest Rate Swaps, Swaptions and Credit Default Swaps Categorized as Level 2 Assets (Liabilities) 100.00%  
Inverse Interest-only Securities Categorized as Level 2 Assets 100.00%  
Agency To-be-Announced Securities Categoized as Level 1 Assets (Liabilities) 100.00%  
Collateralized Borrowings in Securitization Trust Categorized as Level 2 Liabilities 100.00%  
Available-for-sale securities $ 12,256,727 $ 13,666,954
Trading securities 1,000,180 1,002,062
Equity securities 0 335,638
Mortgage servicing rights 514,402 0
Fair Value, Measurements, Recurring [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 12,256,727 13,666,954
Trading securities 1,000,180 1,002,062
Equity securities   335,638
Mortgage loans held-for-sale 544,581 58,607
Mortgage loans held-for-investment in securitization trusts 792,390  
Mortgage servicing rights 514,402  
Derivative assets 549,859 462,080
Assets, Fair Value Disclosure 15,658,139 15,525,341
Debt Instrument, Fair Value Disclosure 639,731  
Derivative Liability 22,081 129,294
Financial and Nonfinancial Liabilities, Fair Value Disclosure 661,812 129,294
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 0
Trading securities 1,000,180 1,002,062
Equity securities   335,638
Mortgage loans held-for-sale 0 0
Mortgage loans held-for-investment in securitization trusts 0  
Mortgage servicing rights 0  
Derivative assets 33,425 1,917
Assets, Fair Value Disclosure 1,033,605 1,339,617
Debt Instrument, Fair Value Disclosure 0  
Derivative Liability 125 239
Financial and Nonfinancial Liabilities, Fair Value Disclosure 125 239
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 12,256,727 13,665,083
Trading securities 0 0
Equity securities   0
Mortgage loans held-for-sale 119,855 58,607
Mortgage loans held-for-investment in securitization trusts 792,390  
Mortgage servicing rights 0  
Derivative assets 516,434 460,163
Assets, Fair Value Disclosure 13,685,406 14,183,853
Debt Instrument, Fair Value Disclosure 639,731  
Derivative Liability 21,956 129,055
Financial and Nonfinancial Liabilities, Fair Value Disclosure 661,687 129,055
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Available-for-sale securities 0 1,871
Trading securities 0 0
Equity securities   0
Mortgage loans held-for-sale 424,726 0
Mortgage loans held-for-investment in securitization trusts 0  
Mortgage servicing rights 514,402  
Derivative assets 0 0
Assets, Fair Value Disclosure 939,128 1,871
Debt Instrument, Fair Value Disclosure 0  
Derivative Liability 0 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0
Derivative Financial Instruments, Assets [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, Notional Amount 30,383,908 9,768,656
Derivative Financial Instruments, Assets [Member] | Forward Purchase Commitment [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Derivative, Notional Amount $ 12,063 $ 56,865