Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue Recognition
Revenues	$ 3,005,981	$ 2,653,766	$ 2,017,548
Other
Revenue Recognition
Revenues	(91,422)	(84,608)	(56,387)
Operating segments | Lower 48
Revenue Recognition
Revenues	1,370,484	1,182,838	679,484
Operating segments | U.S. Offshore Gulf Of Mexico
Revenue Recognition
Revenues	129,365	133,201	137,110
Operating segments | Alaska
Revenue Recognition
Revenues	38,870	65,880	29,265
Operating segments | Canada
Revenue Recognition
Revenues	8,792	7,247	45,057
Operating segments | Middle East & Asia
Revenue Recognition
Revenues	1,081,213	911,940	807,078
Operating segments | Latin America
Revenue Recognition
Revenues	397,054	340,338	273,485
Operating segments | Europe, Africa & CIS
Revenue Recognition
Revenues	71,625	96,930	102,456
Operating segments | U.S. Drilling
Revenue Recognition
Revenues	1,207,629	1,100,614	669,656
Operating segments | U.S. Drilling | Lower 48
Revenue Recognition
Revenues	1,052,274	913,932	512,880
Operating segments | U.S. Drilling | U.S. Offshore Gulf Of Mexico
Revenue Recognition
Revenues	118,218	122,536	128,323
Operating segments | U.S. Drilling | Alaska
Revenue Recognition
Revenues	37,137	64,146	28,453
Operating segments | Canada Drilling
Revenue Recognition
Revenues			39,336
Operating segments | Canada Drilling | Canada
Revenue Recognition
Revenues			39,336
Operating segments | International Drilling
Revenue Recognition
Revenues	1,345,249	1,199,282	1,043,197
Operating segments | International Drilling | Middle East & Asia
Revenue Recognition
Revenues	943,285	805,944	706,267
Operating segments | International Drilling | Latin America
Revenue Recognition
Revenues	341,470	309,320	251,153
Operating segments | International Drilling | Europe, Africa & CIS
Revenue Recognition
Revenues	60,494	84,018	85,777
Operating segments | Drilling Solutions
Revenue Recognition
Revenues	301,757	243,349	172,473
Operating segments | Drilling Solutions | Lower 48
Revenue Recognition
Revenues	196,252	157,709	97,354
Operating segments | Drilling Solutions | U.S. Offshore Gulf Of Mexico
Revenue Recognition
Revenues	11,147	10,665	8,787
Operating segments | Drilling Solutions | Alaska
Revenue Recognition
Revenues	1,733	1,734	753
Operating segments | Drilling Solutions | Canada
Revenue Recognition
Revenues	1,522	1,521	1,342
Operating segments | Drilling Solutions | Middle East & Asia
Revenue Recognition
Revenues	44,896	41,257	40,492
Operating segments | Drilling Solutions | Latin America
Revenue Recognition
Revenues	44,422	29,515	22,104
Operating segments | Drilling Solutions | Europe, Africa & CIS
Revenue Recognition
Revenues	1,785	948	1,641
Operating segments | Rig Technologies
Revenue Recognition
Revenues	242,768	195,129	149,273
Operating segments | Rig Technologies | Lower 48
Revenue Recognition
Revenues	121,958	111,197	69,250
Operating segments | Rig Technologies | Alaska
Revenue Recognition
Revenues			59
Operating segments | Rig Technologies | Canada
Revenue Recognition
Revenues	7,270	5,726	4,379
Operating segments | Rig Technologies | Middle East & Asia
Revenue Recognition
Revenues	93,032	64,739	60,319
Operating segments | Rig Technologies | Latin America
Revenue Recognition
Revenues	11,162	1,503	228
Operating segments | Rig Technologies | Europe, Africa & CIS
Revenue Recognition
Revenues	9,346	11,964	15,038
Eliminations & other
Revenue Recognition
Revenues	(91,422)	(84,608)	(56,387)
Eliminations & other | Other
Revenue Recognition
Revenues	$ (91,422)	$ (84,608)	$ (56,387)