Quarterly report pursuant to Section 13 or 15(d)

Repurchase Agreements Repurchase Facilities (Details)

v2.4.0.6
Repurchase Agreements Repurchase Facilities (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Repurchase Facility, Wells Fargo [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Amount Outstanding $ 99.1 $ 130.0
Line of Credit Facility, Maximum Borrowing Capacity 150.0 150.0
Repurchase Facility, Weighted Average Borrowing Rate 1.98% 2.07%
Repurchase Facility, Barclays [Member]
   
Line of Credit Facility [Line Items]    
Line of Credit Facility, Amount Outstanding 4.4 5.3
Line of Credit Facility, Maximum Borrowing Capacity $ 50.0 $ 100.0
Repurchase Facility, Weighted Average Borrowing Rate 2.50% 3.20%