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Revenue - Deferred revenue (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Revenue |  |
Balance, beginning of the period | $ 210,885 | $ 154,777
Deferral of revenue | 42,974 | 88,048
Recognition of deferred revenue | (45,441) | (41,100)
Balance, end of the period | $ 208,418 | $ 201,725

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