Other Assets - Summary of Deferred Financing Fees, Deferred Leasing Costs and Capitalized Lease Incentives (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Assets [Abstract]
Deferred financing fees	$ 14,458	$ 14,458
Accumulated amortization	(12,709)	(11,093)
Deferred financing fees, net	1,749	3,365
Deferred leasing costs	85,606	133,771
Accumulated amortization	(22,067)	(41,148)
Deferred leasing costs, net	63,539	92,623
Capitalized lease incentives	8,562	10,344
Accumulated amortization	(2,054)	(2,680)
Capitalized lease incentives, net	$ 6,508	$ 7,664