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WARRANTY OBLIGATIONS - Schedule of Warranty Activities (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Changes in the Company's product warranty liability |  |  |  |  |
Warranty obligations, beginning of period | $ 206,086 | $ 177,179 | $ 192,889 | $ 189,087 |
Accruals for warranties issued during period | 7,924 | 7,763 | 22,842 | 20,285 |
Expense (benefit) from changes in estimates | 707 | 4,584 | 13,937 | (8,052) |
Settlements | (5,971) | (6,615) | (19,230) | (21,114) |
Increase due to accretion expense | 3,498 | 2,649 | 9,804 | 8,244 |
Change in discount rate | 0 | 0 | (5,715) | 759 |
Other | (2,103) | (1,328) | (4,386) | (4,977) |
Warranty obligations, end of period | 210,141 | 184,232 | 210,141 | 184,232 |
Less: warranty obligations, current | (31,473) | (35,755) | (31,473) | (35,755) | $ (34,656)
Warranty obligations, non-current | $ 178,668 | $ 148,477 | $ 178,668 | $ 148,477 | $ 158,233

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