Other Assets, Net - Summary (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Deferred leasing costs, net	$ 121,817	$ 117,141
Management and leasing contracts, net	24,036	25,512
Other identified intangible assets, net	17,500	17,500
Operating lease right-of-use assets	3,470	3,542
Finance lease right-of-use assets	41,889	41,996
Prepaid expenses	12,210	14,000
Deferred financing costs, net	10,826	6,656
Deposits	3,488	28,560
Other	15,904	16,103
Total other assets, net	289,452	286,575
Lease intangible assets, net
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	13,037	15,565
Wireless spectrum licenses
Finite-Lived Intangible Assets [Line Items]
Wireless spectrum licenses	$ 25,275
Deposit to acquire wireless spectrum licenses		$ 25,300
Period intangible assets issued	10 years