Annual report pursuant to Section 13 and 15(d)

Performance Chemicals Divestiture - Financing Obligation (Details)

v3.22.0.1
Performance Chemicals Divestiture - Financing Obligation (Details)
£ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2021
GBP (£)
Dispositions [Line Items]        
Contractual Obligation $ 16,005     £ 11,648
Proceeds from financing obligation 16,005 $ 0 $ 0  
Payments under financing arrangement $ 3,395