Contract Assets and Liabilities - Summary of contract liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Contractors [Line Items]
Deferred revenue	$ 262,871		$ 231,604
Accrued loss provision	8,093		8,807
Contract liabilities	270,964		$ 240,411
Contract liabilities, Change	30,758	$ (6,312)
Change
Contractors [Line Items]
Deferred revenue, Change	31,267
Accrued loss provision, Change	(714)
Contract liabilities, Change	$ 30,553