Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Details)

v3.3.0.814
Variable Interest Entities (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets $ 3,040,394 $ 1,754,943
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 2,005,849 1,219,821
Loans Held-for-investment, Mortgages [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 2,978,586 1,744,746
Loans Held-for-investment, Commercial Real Estate [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 45,651 0
Accrued Income Receivable [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 16,157 10,197
Assets, Total [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 3,040,394 1,754,943
Borrowings [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 1,990,769 1,209,663
Accrued Liabilities [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 5,874 3,678
Accounts Payable [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 9,206 6,480
Liabilities, Total [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 2,005,849 $ 1,219,821