Quarterly report pursuant to Section 13 or 15(d)

Inventory (Additional Information) (Details)

v3.22.1
Inventory (Additional Information) (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Raw Materials [Member]    
Public Utilities, Inventory [Line Items]    
Inventories on consignment $ 5.7 $ 3.8
Supplies [Member]    
Public Utilities, Inventory [Line Items]    
Inventories on consignment $ 0.7 $ 0.4