Accumulated Other Comprehensive Income (Loss) - Schedule of reclassifications (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss)
Interest expense	$ (20,461)	$ (23,972)	$ (14,432)
Net loss resulting from early retirement of debt	14,420
Interest and investment income	7,299	628	3,808
Total before tax	1,078,988	339,447	(344,622)
(Benefit from) provision for income taxes	(251,926)	1,874	(7)
Net income (loss)	1,330,914	337,573	$ (344,615)
Reclassification out of Accumulated Other Comprehensive Income | Derivative instruments
Accumulated Other Comprehensive Income (Loss)
Interest expense	(112)	(1,928)
Net loss resulting from early retirement of debt	(1,428)	0
(Benefit from) provision for income taxes	0	0
Net income (loss)	(1,540)	(1,928)
Reclassification out of Accumulated Other Comprehensive Income | Pension, postretirement and other post-employment benefits
Accumulated Other Comprehensive Income (Loss)
Amortization of actuarial gains (losses), net	(2,193)	2,361
Amortization of prior service credits	147	190
Pension settlement	771	1,768
Total before tax	3,111	(403)
(Benefit from) provision for income taxes	674	0
Net income (loss)	2,437	(403)
Reclassification out of Accumulated Other Comprehensive Income | Available-for-sale securities
Accumulated Other Comprehensive Income (Loss)
Interest and investment income	(182)	22
(Benefit from) provision for income taxes	(39)	0
Net income (loss)	$ (143)	$ 22