Annual report pursuant to Section 13 and 15(d)

LEASE AGREEMENTS - Rent Expense, Net (Details)

v3.20.4
LEASE AGREEMENTS - Rent Expense, Net (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
LEASE AGREEMENTS      
Rent expense under operating lease $ 6.3 $ 6.0 $ 6.0