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Other Assets, Net - Summary (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Deferred leasing costs, net $ 116,544 $ 117,141
Management and leasing contracts, net 21,084 25,512
Other identified intangible assets, net 17,360 17,500
Operating lease right-of-use assets 3,326 3,542
Finance lease right-of-use assets 41,675 41,996
Prepaid expenses 20,171 14,000
Deferred financing costs, net 9,352 6,656
Deposits 12,026 28,560
Other 22,214 16,103
Total other assets, net 300,537 286,575
Lease intangible assets, net    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, net 11,055 15,565
Wireless spectrum licenses    
Finite-Lived Intangible Assets [Line Items]    
Wireless spectrum licenses $ 25,730  
Deposit to acquire wireless spectrum licenses   $ 25,300
Period intangible assets issued 10 years