Supplemental Balance Sheet and Income Statement Information - Items reclassified to net income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Supplemental Balance Sheet and Income Statement Information
General and administrative expenses	$ 249,317	$ 244,147	$ 228,431
Total income (loss) before income tax	(31,040)	129,124	(245,682)
Tax expense (benefit)	56,947	79,220	61,536
Net income (loss)	(87,987)	49,904	(307,218)
Reclassification adjustment for (gains)/ losses included in net income (loss)
Supplemental Balance Sheet and Income Statement Information
General and administrative expenses	210	209	208
Total income (loss) before income tax	(210)	(209)	(208)
Tax expense (benefit)	(48)	(48)	(48)
Net income (loss)	$ (162)	$ (161)	$ (160)