Deferred Costs and Other Assets, Net (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Deferred costs, net	$ 96,477	$ 96,477	$ 126,202
Accounts receivable, net	54,598	54,598	66,021
Straight-line rent receivable	155,392	155,392	89,355
Prepaid expenses	15,484	15,484	15,171
Leasehold improvements, property and equipment, net	19,163	19,163	21,351
Restricted escrow deposits	5,835	5,835	34,339
Deferred tax asset and tax receivable	15,909	15,909	15,924
Program development costs, net	20,878	20,878	12,871
Derivative assets, at fair value	0	0	5,509
Other assets	2,070	2,070	3,179
Total	385,806	385,806	389,922
Allowance for doubtful accounts	3,100	3,100	2,500
Deferred Costs and Other Assets, Net [Member] | Program Development Costs [Member]
Property, Plant and Equipment [Line Items]
Reserves related to program development costs			13,100
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Amortization expense	400	1,100
Accumulated amortization and depreciation	2,300	2,300	1,200
Property and Equipment [Member]
Property, Plant and Equipment [Line Items]
Accumulated amortization and depreciation	3,100	3,100	$ 1,600
Depreciation expense	$ 500	$ 1,500