Management Agreement And Related Party Transactions (Summary Of Base Management Fees And Expense Reimbursement) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010	Dec. 31, 2009
Management Agreement And Related Party Transactions [Abstract]
Base Management Fees	$ 7,835	[1]	$ 5,469	$ 2,778
Expense Reimbursement	607	[1]	619	855
Total	$ 8,442	[1]	$ 6,088	$ 3,633

[1] For the period January 1, 2011 to August 31, 2011.