Joint Ventures (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025	Dec. 31, 2024
Joint Ventures
Redeemable noncontrolling interest			$ 495,886	$ 482,446
Assets:
Cash and cash equivalents			509,782	940,707	$ 387,321	$ 389,652
Accounts receivable			443,417	391,705
Other current assets			156,069	124,341
Property, plant and equipment, net			2,908,061	2,920,019
Other long-term assets			132,468	128,841
Total assets	[1]		4,419,945	4,789,657
Liabilities:
Accounts payable			365,472	300,467
Other liabilities			219,135	234,700
Total liabilities	[1]		2,978,067	3,352,014
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			495,900	482,400
Assets:
Cash and cash equivalents			174,605	179,907
Accounts receivable			112,410	101,382
Other current assets			24,716	8,107
Property, plant and equipment, net			1,159,077	1,068,919
Other long-term assets			10,592	18,497
Total assets			1,481,400	1,376,812
Liabilities:
Accounts payable			119,706	102,543
Accrued liabilities			25,807	30,694
Other liabilities			64,497	62,306
Total liabilities			$ 210,010	$ 195,543

[1] The condensed consolidated balance sheets as of June 30, 2026 and December 31, 2025 include assets and liabilities of variable interest entities. See Note 4—Joint Ventures for additional information.