XML 40 R56.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Property and Equipment, Net - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Property Plant And Equipment [Line Items]      
Depreciation $ 7,168 $ 5,029 $ 3,795
Leasehold Improvements      
Property Plant And Equipment [Line Items]      
Increase (decrease) in property and equipment 8,686    
Construction in Progress      
Property Plant And Equipment [Line Items]      
Increase (decrease) in property and equipment $ (8,447)