Deferred Costs and Other Assets, Net (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014		Jun. 30, 2014		Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Deferred costs, net	$ 145,305,000		$ 145,305,000		$ 119,731,000
Accounts receivable, net	64,791,000	[1]	64,791,000	[1]	16,690,000	[1]
Straight-line rent receivable	43,892,000		43,892,000		19,009,000
Prepaid expenses	17,369,000		17,369,000		5,379,000
Leasehold improvements, property and equipment, net	19,923,000	[2]	19,923,000	[2]	1,451,000	[2]
Restricted escrow deposits	49,656,000		49,656,000		101,814,000
Derivative assets, at fair value	5,522,000		5,522,000		9,189,000
Other assets	58,598,000		58,598,000		5,998,000
Total, deferred costs and other assets, net	405,056,000		405,056,000		279,261,000
Allowance for doubtful accounts receivable	1,800,000		1,800,000		200,000
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Amortization	200,000		600,000
Accumulated depreciation, depletion and amortization, property, plant, and equipment	600,000		600,000		100,000
Property and Equipment [Member]
Property, Plant and Equipment [Line Items]
Accumulated depreciation, depletion and amortization, property, plant, and equipment	900,000		900,000		100,000
Depreciation and amortization	$ 300,000		$ 800,000

[1] Allowance for doubtful accounts was $1.8 million and $0.2 million as of June 30, 2014 and December 31, 2013, respectively.

[2] Amortization expense for leasehold improvements totaled $0.2 million and $0.6 million for the three and six months ended June 30, 2014, respectively. Accumulated amortization was $0.6 million and $0.1 million as of June 30, 2014 and December 31, 2013, respectively. Depreciation expense for property and equipment totaled $0.3 million and $0.8 million for the three and six months ended June 30, 2014, respectively. Accumulated depreciation was $0.9 million and $0.1 million as of June 30, 2014 and December 31, 2013, respectively.