Annual report pursuant to Section 13 and 15(d)

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

v2.4.0.6
Related Party Transactions Schedule of Related Party Transactions, by Related Party (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
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, 2012
Dec. 31, 2011
Dec. 31, 2010
Related Party Transaction [Line Items]                              
Asset Management Costs $ 9,886 $ 8,929 $ 7,610 $ 6,743 $ 5,178 $ 4,785 $ 2,728 $ 1,550 $ 921 $ 863 $ 748 $ 457 $ 33,168 $ 14,241 $ 2,989
Management Fee, Percent                         1.50%    
Costs and Expenses, Related Party                         11,773 8,145 5,453
Share-based Compensation                         488 279 214
Class of Warrant or Right, Outstanding 13,531,429                       13,531,429    
Warrants Owned by Pine River 1,000,000                       1,000,000    
Capitalized Acquisition Costs, Related Party                         3,870    
Renovation Oversight Fees, Related Party                         788    
Owned Property Management Costs                         590    
Property Management Fees, Expensed, Related Party                         306    
Property Management Fees, Deferred, Related Party                         284    
Discontinued Operation, Future Gain (Loss) on Disposal of Discontinued Operation, Net of Tax 4,000                       4,000    
Reduction of Future Management Fees $ 4,300                       $ 4,300