Quarterly report pursuant to Section 13 or 15(d)

REVENUES - Balance Sheet Information (Details)

v3.21.1
REVENUES - Balance Sheet Information (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Contract liabilities, net (current) $ 1,162 $ 1,494