Other Assets and Other Liabilities (Schedule of Other Assets) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Operating Leased Assets [Line Items]
Intangible assets, net	[1]	$ 73,588		$ 73,588		$ 50,088
Other assets		30,163		30,163		37,085
Deferred financing fees, net	[2]	29,834		29,834		36,774
Restricted cash		28,125		28,125		19,283
Other receivables		24,146		24,146		13,115
Leasing costs, net	[3]	18,920		18,920		20,031
Corporate furniture, fixtures and equipment, net	[4]	4,621		4,621		5,409
Deferred expenses and other assets, net		209,397		209,397		181,785
Intangible assets, accumulated amortization		35,500		35,500		45,100
Amortization of above market lease		1,800	$ 1,600	5,500	$ 5,600
Amortization of intangible assets		900	$ 1,100	3,000	$ 4,900
Accumulated amortization of deferred financing fees		24,600		24,600		15,400
Accumulated amortization on leasing costs		9,800		9,800		9,000
Accumulated depreciation on corporate furniture, fixtures and equipment		7,800		7,800		$ 7,100
Net Lease Asset One
Operating Leased Assets [Line Items]
Lease incentive asset		$ 38,100		$ 38,100

[1] Intangible assets, net are primarily related to the acquisition of real estate assets. This balance also includes a lease incentive asset of $38.1 million (refer to Note 4). Accumulated amortization on intangible assets was $35.5 million and $45.1 million as of September 30, 2015 and December 31, 2014, respectively. The amortization of above market leases and lease incentive assets decreased operating lease income in the Company's consolidated statements of operations by $1.8 million and $5.5 million for the three and nine months ended September 30, 2015, respectively, and $1.6 million and $5.6 million for the three and nine months ended September 30, 2014, respectively. These intangible lease assets are amortized over the term of the lease. The amortization expense for other intangible assets was $0.9 million and $3.0 million for the three and nine months ended September 30, 2015, respectively, and $1.1 million and $4.9 million for the three and nine months ended September 30, 2014, respectively. These amounts are included in "Depreciation and amortization" in the Company's consolidated statements of operations.

[2] Accumulated amortization on deferred financing fees was $24.6 million and $15.4 million as of September 30, 2015 and December 31, 2014, respectively.

[3] Accumulated amortization on leasing costs was $9.8 million and $9.0 million as of September 30, 2015 and December 31, 2014, respectively.

[4] Accumulated depreciation on corporate furniture, fixtures and equipment was $7.8 million and $7.1 million as of September 30, 2015 and December 31, 2014, respectively.