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Segment, Product and Geographic Information - Accounts receivable from significant customers (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Segment, Product and Geographic Information |  |
Accounts receivable | $ 89,527 | $ 91,438
Customer A and Its affiliates |  |
Segment, Product and Geographic Information |  |
Accounts receivable | 69,006 | 67,135
Customer C |  |
Segment, Product and Geographic Information |  |
Accounts receivable | $ 20,521 | $ 24,303

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