Annual report pursuant to Section 13 and 15(d)

Repurchase Agreements Repurchase Facilities (Details)

v2.4.0.6
Repurchase Agreements Repurchase Facilities (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Repurchase Facility, Wells Fargo [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Amount Outstanding $ 130.0 $ 70.8
Line of Credit Facility, Maximum Borrowing Capacity 150.0 75.0
Repurchase Facility, Weighted Average Borrowing Rate 2.07% 1.98%
Repurchase Facility, Barclays [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Amount Outstanding 5.3  
Line of Credit Facility, Maximum Borrowing Capacity $ 100.0  
Repurchase Facility, Weighted Average Borrowing Rate 3.20%