Quarterly report pursuant to Section 13 or 15(d)

PROPERTY AND EQUIPMENT, NET - Narrative (Details)

v3.21.2
PROPERTY AND EQUIPMENT, NET - Narrative (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 700,000 $ 700,000 $ 2,100,000 $ 2,100,000
Impairment charges or write-offs $ 0 $ 0 $ 0 $ 0