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Property and Equipment, Net - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 2,630 $ 2,413 $ 7,556 $ 7,212