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Other Non-Current Assets - Schedule of Other Assets, Noncurrent (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Business Acquisition [Line Items]    
Uncertain tax positions (See Note 10) $ 5,334 $ 5,307
Pension assets (See Note 20) 2,245 3,879
Debt issuance costs (See Note 19) 2,374 3,340
Interest rate swap (See Note 24) 1,621 1,828
Long-term note receivable 925 1,014
Trust investment 1,566 601
Supplemental retirement income program (See Notes 20 and 23) 297 286
Other 2,593 2,085
Total other non-current assets 17,360 18,770
Houghton    
Business Acquisition [Line Items]    
Indemnification assets (See Notes 10 and 21) $ 405 $ 430