Intangible Assets, Other Assets, Net and Goodwill Other Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	May 27, 2014
Deferred financing costs, gross carrying amount	27,158,000	43,650,000	$ 3,700,000
Accumulated Amortization of deferred financing costs	(4,261,000)	(11,930,000)
Deferred financing costs, net	22,897,000	31,720,000
Other assets, gross carrying amount	16,970,000	52,241,000
Accumulated amortization of other assets	0	(14,000)
Other assets	16,970,000	52,227,000
Total other assets, gross carrying amount	44,128,000	95,891,000
Total other assets accumulated amortization	(4,261,000)	(11,944,000)
Total other assets, net	39,867,000	83,947,000
Deferred financing costs [Member]
Weighted average amortization period	4 years	4 years
Other assets [Member]
Weighted average amortization period	0 years	0 years