Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Revenue Recognition
Revenues	[1]	$ 3,184,693	$ 2,930,126	$ 3,005,981
Other
Revenue Recognition
Revenues		(57,035)	(59,836)	(91,422)
Operating Segments
Revenue Recognition
Revenues		3,241,728	2,989,962	3,097,403
Operating Segments | Lower 48
Revenue Recognition
Revenues		1,075,088	1,128,577	1,370,484
Operating Segments | U.S. Offshore
Revenue Recognition
Revenues		123,336	117,196	129,365
Operating Segments | Alaska
Revenue Recognition
Revenues		125,474	50,884	38,870
Operating Segments | Canada
Revenue Recognition
Revenues		55,125	8,178	8,792
Operating Segments | Middle East & Asia
Revenue Recognition
Revenues		1,251,499	1,144,916	1,081,213
Operating Segments | Latin America
Revenue Recognition
Revenues		465,262	448,627	397,054
Operating Segments | Europe, Africa & CIS
Revenue Recognition
Revenues		145,944	91,584	71,625
Operating Segments | U.S. Drilling
Revenue Recognition
Revenues		976,644	1,028,122	1,207,629
Operating Segments | U.S. Drilling | Lower 48
Revenue Recognition
Revenues		745,162	872,432	1,052,274
Operating Segments | U.S. Drilling | U.S. Offshore
Revenue Recognition
Revenues		113,979	107,253	118,218
Operating Segments | U.S. Drilling | Alaska
Revenue Recognition
Revenues		117,503	48,437	37,137
Operating Segments | International Drilling
Revenue Recognition
Revenues		1,597,765	1,446,092	1,345,249
Operating Segments | International Drilling | Canada
Revenue Recognition
Revenues		46,696
Operating Segments | International Drilling | Middle East & Asia
Revenue Recognition
Revenues		1,060,497	1,002,350	943,285
Operating Segments | International Drilling | Latin America
Revenue Recognition
Revenues		372,967	360,092	341,470
Operating Segments | International Drilling | Europe, Africa & CIS
Revenue Recognition
Revenues		117,605	83,650	60,494
Operating Segments | Drilling Solutions
Revenue Recognition
Revenues		513,283	314,071	301,757
Operating Segments | Drilling Solutions | Lower 48
Revenue Recognition
Revenues		256,203	172,832	196,252
Operating Segments | Drilling Solutions | U.S. Offshore
Revenue Recognition
Revenues		9,357	9,943	11,147
Operating Segments | Drilling Solutions | Alaska
Revenue Recognition
Revenues		7,967	2,447	1,733
Operating Segments | Drilling Solutions | Canada
Revenue Recognition
Revenues		2,142	1,847	1,522
Operating Segments | Drilling Solutions | Middle East & Asia
Revenue Recognition
Revenues		122,474	51,222	44,896
Operating Segments | Drilling Solutions | Latin America
Revenue Recognition
Revenues		88,185	74,225	44,422
Operating Segments | Drilling Solutions | Europe, Africa & CIS
Revenue Recognition
Revenues		26,955	1,555	1,785
Operating Segments | Rig Technologies
Revenue Recognition
Revenues		154,036	201,677	242,768
Operating Segments | Rig Technologies | Lower 48
Revenue Recognition
Revenues		73,723	83,313	121,958
Operating Segments | Rig Technologies | Alaska
Revenue Recognition
Revenues		4
Operating Segments | Rig Technologies | Canada
Revenue Recognition
Revenues		6,287	6,331	7,270
Operating Segments | Rig Technologies | Middle East & Asia
Revenue Recognition
Revenues		68,528	91,344	93,032
Operating Segments | Rig Technologies | Latin America
Revenue Recognition
Revenues		4,110	14,310	11,162
Operating Segments | Rig Technologies | Europe, Africa & CIS
Revenue Recognition
Revenues		1,384	6,379	9,346
Eliminations & other
Revenue Recognition
Revenues		(57,035)	(59,836)	(91,422)
Eliminations & other | Other
Revenue Recognition
Revenues		$ (57,035)	$ (59,836)	$ (91,422)

[1] Includes related party revenues of $1.1 billion, $0.9 billion, and $0.8 billion for the years ended December 31, 2025, 2024 and 2023, respectively.