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REVENUE RECOGNITION - Changes to deferred revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
REVENUE RECOGNITION |  |  |  |
Beginning balance | $ 347,250 | $ 299,741 | $ 344,166 | $ 292,720
Additional amounts deferred | 183,905 | 175,106 | 548,610 | 500,012
Revenues recognized | (192,112) | (170,435) | (553,733) | (488,320)
Ending balance | $ 339,043 | $ 304,412 | $ 339,043 | $ 304,412

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