Summary of Significant Accounting Policies - Accrual for loss contracts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accrual for loss contracts
Beginning balance	$ 81,066	$ 89,773
Provision for loss accrual	85,375	23,295
Releases to service cost of sales	(29,713)	(35,446)
Increase/(decrease) to loss accrual related to customer warrants	971	3,506
Foreign currency translation adjustment	154	(62)
Ending balance	$ 137,853	$ 81,066