XML 100 R86.htm IDEA: XBRL DOCUMENT v3.3.1.900
Residential Collateralized Debt Obligations - Narrative (Details)
$ in Millions
Dec. 31, 2015
USD ($)
securitization
Dec. 31, 2014
USD ($)
securitization
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Number of residential CDO securitizations | securitization 3 3
Net investment in residential securitization trusts $ 4.4 $ 5.6
Residential collateralized debt obligations    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Collateralized debt obligations $ 116.7 $ 145.5
Weighted average interest rate (as a percent) 0.80% 0.55%
ARM Loans    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Loans pledged as collateral $ 122.5 $ 152.3