Property and Equipment (Details 2) (USD $)	3 Months Ended				0 Months Ended	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2012 Eagle Property Acquisition Unaudited pro forma	Oct. 02, 2012 Eagle Property Acquisition 10.75% senior unsecured notes	Oct. 02, 2012 Eagle Property Acquisition Series A Preferred Stock	Mar. 31, 2013 Eagle Property Acquisition Series A Preferred Stock
Unaudited Pro forma information
Revenues and other			$ 52,889,000
Net income (loss)			(14,134,000)
Preferred stock dividends			6,500,000			4,100,000
Income (loss) attributable to common shareholders	(12,066,000)	(17,507,000)	(20,634,000)
Additional disclosures
Aggregate principal amount borrowed				$ 600,000,000
Interest rate (as a percent)				10.75%
Purchase price, preferred shares					325,000