Net Loss Per Share (Schedule of Earnings Per Share, Basic and Diluted)(Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended			12 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Member Units [Member]	Dec. 31, 2013 Member Units [Member]	Jun. 30, 2014 Restricted Stock Units (RSUs) [Member]	Jun. 30, 2014 Long Term Incentive Plan Units [Member]	Jun. 30, 2014 Series D Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net loss attributable to the Company	$ (40,328)	$ (71,958)	$ (349,009)	$ (213,121)
Less: dividends declared on preferred shares and participating securities	23,091	233	46,723	425
Net loss attributable to common stockholders	$ (63,419)	$ (72,191)	$ (395,732)	$ (213,546)
Basic	815,740,684	198,956,355	682,501,526	192,146,178
Basic and diluted net loss per share attributable to common stockholders	$ (0.08)	$ (0.36)	$ (0.58)	$ (1.11)
Antidilutive securities excluded from computation of earnings per share					24,771,215	9,591,173	5,649,968	10,744,697	21,735,008