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Deferred Costs
6 Months Ended
Jun. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Deferred Costs Deferred Costs
Deferred costs at June 30, 2021 and December 31, 2020 consisted of the following (in thousands):
June 30, 2021December 31, 2020
Deferred leasing costs$442,771 $447,002 
Less: accumulated amortization
(280,809)(269,834)
Deferred costs, net$161,962 $177,168