Preferred Stock and Stockholder's Equity (Details) (USD $)			3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Series A Preferred Stock	Mar. 31, 2013 Series A Cumulative Preferred Stock
Preferred Stock And Stockholders Equity (Textual) [Abstract]
Preferred Stock, dividend rate			$ 2.3125
Price of Series A Preferred Stock			$ 25.00	$ 25.00
Preferred Stock, redemption terms			Within 90 days after the date on which the change of ownership or control occurred for cash other than by a Qualifying Public Company.
Preferred stock, shares authorized	10,000,000	10,000,000		10,000,000
Preferred stock, shares issued	1,610,000	1,610,000		1,610,000
Percentage of Series A Cumulative Preferred Stock				9.25%