Revenues - Disaggregation of revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of revenue:
Total revenues	$ 1,617,474	$ 1,601,762	$ 864,929
Oilfield services transferred at a point in time
Disaggregation of revenue:
Total revenues	0	0	0
Oilfield services transferred over time
Disaggregation of revenue:
Total revenues	$ 1,617,474	$ 1,601,762	$ 864,929