Other Assets, Net - Summary of Other Assets, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred leasing costs	$ 189,959	$ 171,153
Accumulated amortization	(72,217)	(67,180)
Deferred leasing costs, net	117,742	103,973
Prepaid expenses	14,623	9,038
Identified intangible assets, net	94,221	126,467
Deferred financing costs on credit facility, net	5,292	6,654
Deposits	3,592	6,317
Derivative Instruments in Hedges, Assets, at Fair Value	28,356	2,141
Other	18,132	9,333
Total other assets, net	$ 281,958	$ 263,923