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
Jun. 30, 2014
Dec. 31, 2013
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets $ 808,997 $ 796,896
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 566,296 644,051
Loans Held-for-investment, Mortgages [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 804,666 792,390
Accrued Income Receivable [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 4,331 4,506
Assets, Total [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Assets 808,997 796,896
Borrowings [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 561,921 639,731
Accrued Liabilities [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 1,765 1,596
Accounts Payable [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities 2,610 2,724
Liabilities, Total [Member]
    
Variable Interest Entity [Line Items]    
Variable Interest Entity, Consolidated, Carrying Amount, Liabilities $ 566,296 $ 644,051