Revenue from contracts with customers - Schedule of Contract balances (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Contract assets	$ 174,782	$ 158,861
Change in contract assets	15,921
Contract liabilities - current	(226,754)	(202,144)
Change in contract liabilities - current	(24,610)
Contract liabilities - noncurrent	(2,114)	(291)
Change in contract liabilities - noncurrent	(1,823)
Net contract liabilities	(54,086)	$ (43,574)
Change in net contract assets (liabilities)	$ (10,512)