Supplemental Balance Sheet, Income Statement and Cash Flow Information - Items reclassified to net income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Supplemental Balance Sheet, Income Statement and Cash Flow Information
General and administrative expenses		$ 304,587	$ 249,317	$ 244,147
Total income (loss) before income taxes		537,528	(31,040)	129,124
Tax expense (benefit)		163,095	56,947	79,220
Net income (loss)	[1]	374,433	(87,987)	49,904
Reclassification adjustment for (gains)/ losses included in net income (loss)
Supplemental Balance Sheet, Income Statement and Cash Flow Information
General and administrative expenses		210	210	209
Total income (loss) before income taxes		(210)	(210)	(209)
Tax expense (benefit)		(48)	(48)	(48)
Net income (loss)		$ (162)	$ (162)	$ (161)

[1] The consolidated income statements include operating activities of consolidated joint ventures. See Note 12—Joint Ventures for additional information.