Quarterly report pursuant to Section 13 or 15(d)

Fair Value, Option, Quantitative Disclosures - change in balance (Details)

v3.3.0.814
Fair Value, Option, Quantitative Disclosures - change in balance (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Dec. 31, 2013
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value $ 768,008 $ 535,712 $ 445,065 $ 544,581
Collateralized borrowings in securitization trust, at fair value 1,990,769 1,209,663    
Loan Held-for-Sale, Mortgages, Unpaid Principal [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value 765,246 534,101    
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status 35,947 26,405    
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due 31,487 25,263    
Loans Held-for-sale, Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Residential mortgage loans held-for-sale, at fair value 768,008 535,712    
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status 30,829 20,574    
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due 26,713 19,675    
Loan Held-for-Investment, Mortgages, Unpaid Principal [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status 860 0    
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due 860 0    
Residential mortgage loans held-for-investment in securitization trusts, at fair value 2,936,810 1,699,748    
Loans Held-for-investment, Mortgages [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status 877 0    
Fair Value, Option, Loans Held as Assets, 90 Days or More Past Due 877 0    
Residential mortgage loans held-for-investment in securitization trusts, at fair value 2,978,586 1,744,746    
Collateralized Borrowings, Unpaid Principal [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Collateralized borrowings in securitization trust, at fair value 2,002,339 1,218,589    
Borrowings [Member]        
Fair Value, Option, Quantitative Disclosures [Line Items]        
Collateralized borrowings in securitization trust, at fair value $ 1,990,769 $ 1,209,663