Summary of Significant Accounting Policies - Distributions and Dividends and Reacquired Stock (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Oct. 31, 2012	Jul. 31, 2012
Accounting Policies [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Distributions payable	$ 11,047,000	$ 8,545,000
Preferred stock, dividends in arrears, amount paid				$ 37,700,000	$ 30,000,000
Common Stock, Dividends, Per Share, Declared	$ 0.02	$ 0.00	$ 0.00