Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v3.21.1
COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
COMMITMENTS AND CONTINGENCIES    
Employee severance benefits   $ 2.7
Insurance expense $ 0.7  
Cash collateral for letters of credit $ 0.5