Joint Ventures (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Dec. 31, 2023
Joint Ventures
Redeemable noncontrolling interest			$ 629,261	$ 785,091
Assets:
Cash and cash equivalents			428,051	389,652	$ 451,649	$ 1,057,487
Accounts receivable			487,062	387,970
Other current assets			150,948	84,289
Property, plant and equipment, net			2,931,290	2,830,957
Other long-term assets			143,537	125,730
Total assets	[1]		4,833,504	4,504,301
Liabilities:
Accounts payable			352,415	321,030
Other liabilities			233,455	218,343
Total liabilities	[1]		3,265,334	3,297,963
SANAD
Joint Ventures
Cash contribution for capitalizing the joint venture upon formation		$ 20,000
Additional contribution amount		$ 394,000
Maturity period		25 years
SANAD
Joint Ventures
Redeemable noncontrolling interest			475,100	453,300
Assets:
Cash and cash equivalents			216,686	229,442
Accounts receivable			106,468	111,497
Other current assets			12,821	12,122
Property, plant and equipment, net			1,044,566	862,031
Other long-term assets			14,569	12,404
Total assets			1,395,110	1,227,496
Liabilities:
Accounts payable			117,224	112,373
Accrued liabilities			31,093	12,447
Other liabilities			60,318	47,254
Total liabilities			$ 208,635	$ 172,074

[1] The condensed consolidated balance sheets as of September 30, 2025 and December 31, 2024 include assets and liabilities of variable interest entities. See Note 4—Joint Ventures and Note 14—Special Purpose Acquisition Company for additional information.