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Inventories (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Inventories [Abstract] |  |
Finished goods | $ 324,362 | $ 296,739
Work-in-process | 14,099 | 16,010
Raw materials | 190,254 | 156,006
Subtotal | 528,715 | 468,755
Unreturned customer inventories | 19,695 | 22,268
Total inventories | $ 548,410 | $ 491,023

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