Annual report pursuant to Section 13 and 15(d)

COMMITMENTS & CONTINGENCIES (Details)

v3.20.4
COMMITMENTS & CONTINGENCIES (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Other Noncurrent Assets    
Loss Contingencies [Line Items]    
Possible revenue to be reversed due to pending litigation $ 4.4 $ 4.7