Annual report pursuant to Section 13 and 15(d)

Related Party Transactions Schedule of Related Party Transactions, by Related Party (Details)

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Related Party Transactions Schedule of Related Party Transactions, by Related Party (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2009
Sep. 30, 2009
Jun. 30, 2009
Mar. 31, 2009
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Related Party Transaction [Line Items]                              
Related Party, Prepaid Expenses                         $ 700,000 $ 100,000 $ 600,000
Asset Management Costs 5,178,000 4,785,000 2,728,000 1,550,000 921,000 863,000 748,000 457,000 326,000 0 0 0 14,241,000 2,989,000 326,000
Related Party Transaction, Expenses from Transactions with Related Party                         6,500,000 4,100,000 4,300,000
Costs and Expenses, Related Party                         8,100,000 5,500,000 4,900,000
Related Party, Expenses Charged Against Equity                         (900,000) (1,200,000)  
Share-based Compensation                         $ 278,784 $ 213,545 $ 21,644
Class of Warrant or Right, Outstanding 33,249,000                       33,249,000    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 33,249,000                       33,249,000    
Warrants Owned by Capitol Founders 7,000,000                       7,000,000    
Warrants Owned by Pine River 2,906,918                       2,906,918