Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities (Details)

v2.4.0.8
Variable Interest Entities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets $ 785,601 $ 796,896
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 663,785 644,051
Loans Held-for-investment, Mortgages [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 781,085 792,390
Accrued Income Receivable [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 4,516 4,506
Assets, Total [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 785,601 796,896
Borrowings [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 658,953 639,731
Accrued Liabilities [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 2,018 1,596
Accounts Payable [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 2,814 2,724
Liabilities, Total [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 663,785 $ 644,051