Other Assets - Summary of Deferred Financing Fees, Deferred Leasing Costs and Capitalized Lease Incentives (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Other Assets [Abstract]
Deferred financing fees	$ 0	$ 14,458
Accumulated amortization	0	(12,709)
Deferred financing fees, net	0	1,749
Deferred leasing costs	69,930	85,606
Accumulated amortization	(18,807)	(22,067)
Deferred leasing costs, net	51,123	63,539
Capitalized lease incentives	5,701	8,562
Accumulated amortization	(1,393)	(2,054)
Capitalized lease incentives, net	$ 4,308	$ 6,508