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Property and Equipment, Net - Narratives (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2016
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment        
Construction in progress   $ 77,622 $ 70,839  
Noncurrent capital lease obligations     20,400  
Payments for (proceeds from) tenant allowance     4,200  
Gain (loss) due to currency translations for foreign assets   (2,000) (23,100)  
Build-To-Suit        
Property, Plant and Equipment        
Build-to-suit term (years) 17 years      
Construction in progress     20,000  
Property, Plant and Equipment        
Property, Plant and Equipment        
Impairment of assets   $ 3,700 $ 1,100 $ 1,500