Deferred Costs, Acquired Lease Intangibles and Goodwill - Schedule of Deferred Costs, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred Costs [Line Items]
Leasing costs	$ 140,325	$ 121,864
Total deferred costs, gross amount	468,208	489,446
Less: accumulated amortization	(195,617)	(178,767)
Total deferred costs, net, excluding net deferred financing costs	272,591	310,679
Acquired in-place lease value and deferred leasing costs [Member]
Deferred Costs [Line Items]
Acquired finite-lived intangible assets, gross	253,113	285,902
Acquired above-market leases [Member]
Deferred Costs [Line Items]
Acquired finite-lived intangible assets, gross	$ 74,770	$ 81,680