XML 54 R35.htm IDEA: XBRL DOCUMENT v3.21.2
PROPERTY AND EQUIPMENT - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Property, Plant and Equipment [Abstract]            
Depreciation expense $ 1,603 $ 1,130 $ 2,864 $ 2,163 $ 4,564 $ 1,679