Annual report pursuant to Section 13 and 15(d)

Performance Chemicals Divestiture - Financing Obligation (Details)

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Performance Chemicals Divestiture - Financing Obligation (Details)
£ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2021
GBP (£)
Dispositions [Line Items]        
Financing Obligation Liability   $ 16,005   £ 11,648
Proceeds from financing obligation $ 0 16,005 $ 0  
Payments under financing arrangement $ 7,872 $ 3,395