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Deferred Costs
12 Months Ended
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Deferred Costs Deferred Costs
Deferred costs at December 31, 2019 and 2018 consisted of the following (in thousands):
 
December 31,
 
2019
 
2018
Deferred leasing costs
$
466,136

 
$
453,833

Less: accumulated amortization
(260,853
)
 
(244,723
)
Deferred costs, net
$
205,283

 
$
209,110