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Inventories - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Inventory at FIFO    
Finished goods $ 26,022 $ 30,989
Materials and products in process 123,395 119,203
Gross inventories 149,417 150,192
Less: LIFO reserve (66,398) (64,262)
Less: excess and obsolescence reserve (6,533) (6,120)
Net inventories $ 76,486 $ 79,810