Deferred Costs and Other Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Deferred costs, net	$ 116,094		$ 119,731
Leasehold improvements, property and equipment, net	19,979		1,451
Accounts receivable, net (2)	54,684		16,538
Straight-line rent receivable	28,995		19,009
Prepaid expenses	21,247		5,379
Restricted escrow deposits	19,154		101,814
Derivative assets, at fair value	9,829		9,189
Other assets	24,712		5,998
Total, deferred costs and other assets, net	294,694	279,109	279,109
Depreciation	111,015	21,474
Allowance for doubtful accounts receivable	908		187
Leasehold Improvements [Member] | Cole Merger [Member]
Property, Plant and Equipment [Line Items]
Amortization	197
Accumulated depreciation, depletion and amortization, property, plant, and equipment	250		53
Office Furniture, Fixtures and Equipment and Computer Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Accumulated depreciation, depletion and amortization, property, plant, and equipment	355		80
Depreciation	$ 275