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Product Warranty (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Product Warranty |  |  |
Product warranty period | 1 year |  |
Changes in standard product warranty liability |  |  |
Balance at January 1 (beginning of year) | $ 10,487 | $ 6,924 | $ 4,612
Warranties issued during the period | 12,893 | 10,597 | 7,808
Settlements made during the period | (10,230) | (6,798) | (4,282)
Changes in estimate of liability for pre-existing warranties during the period | 3,607 | (236) | (1,214)
Balance at September 30 (end of period) | 16,757 | 10,487 | 6,924
Product warranty classification |  |  |
Amount classified as current | 14,098 | 8,299 | 6,424
Amount classified as long-term (within other long-term liabilities) | 2,659 | 2,188 | 500
Total warranty liability | $ 16,757 | $ 10,487 | $ 6,924

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