Supplemental Balance Sheet and Income Statement Information - Items reclassified to net income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Supplemental Balance Sheet and Income Statement Information
General and administrative expenses	$ 68,506	$ 61,751
Total income (loss) before income tax	72,186	7,042
Tax expense (benefit)	15,007	16,044
Net income (loss)	57,179	(9,002)
Reclassification adjustment for (gains)/ losses included in net income (loss)
Supplemental Balance Sheet and Income Statement Information
General and administrative expenses	53	53
Total income (loss) before income tax	(53)	(53)
Tax expense (benefit)	(12)	(12)
Net income (loss)	$ (41)	$ (41)