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Product Warranty (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Product Warranty |  |  |
Product warranty period | 1 year |  |
Changes in standard product warranty liability |  |  |
Balance at beginning of year | $ 16,757 | $ 10,487 |
Warranties issued during the period | 9,004 | 9,072 |
Settlements made during the period | (9,313) | (7,746) |
Changes in estimate of liability for pre-existing warranties during the period | (48) | 2,043 |
Balance at end of period | 16,400 | 13,856 |
Product warranty classification |  |  |
Amount classified as current | 14,547 | 11,464 | $ 14,098
Amount classified as long-term (within other long-term liabilities) | 1,853 | 2,392 |
Total warranty liability | $ 16,400 | $ 13,856 | $ 16,757

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