XML 92 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Repurchase Agreements - Narrative (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Disclosure of Repurchase Agreements [Abstract]    
Repurchase agreements $ 308,735,338 $ 103,941,174
Fair Value of securities pledged, including accrued interest receivable 318,204,000 109,863,000
Cash Held on Deposit with Repurchase Agreement Counterparties 6,375,000 449,000
Weighted Average Borrowing Rate 0.38% 0.49%
Maximum Amount at Risk $ 15,800,000