Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Details)

v3.2.0.727
Variable Interest Entities (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets $ 2,508,625 $ 1,754,943
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 1,727,995 1,219,821
Loans Held-for-investment, Mortgages [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 2,449,199 1,744,746
Loans Held-for-investment, Commercial Real Estate [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 45,605 0
Accrued Income Receivable [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 13,821 10,197
Assets, Total [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 2,508,625 1,754,943
Borrowings [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 1,714,735 1,209,663
Accrued Liabilities [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 5,128 3,678
Accounts Payable [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 8,132 6,480
Liabilities, Total [Member]    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 1,727,995 $ 1,219,821