Revenue - Contract liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue
Deferred revenue	$ 614,328	$ 363,159	$ 269,853
Accrued loss provision	3,096	3,317	6,094
Contract liabilities	617,424	366,476	$ 275,947
Increase in contract liabilities		250,900
Revenue recognized included in contract liability at beginning of period	$ 324,400	$ 232,900