XML 58 R46.htm IDEA: XBRL DOCUMENT v3.21.2
Property and Equipment, net - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property and equipment, net        
Depreciation expenses $ 1,510 $ 1,061 $ 4,257 $ 3,035