Accumulated Other Comprehensive Income (Loss) - Schedule of accumulated other comprehensive income (loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss)
Beginning Balance	$ 1,365,580	$ 683,866	$ 283,561
Tax effect	87,514	(251,926)	1,874
Ending Balance	1,479,456	1,365,580	683,866
Accumulated Other Comprehensive Income (loss)
Accumulated Other Comprehensive Income (Loss)
Beginning Balance	61,429	14,158	(35,701)
Unrealized (losses) gains	(8,497)	61,243
Amounts reclassified from accumulated other comprehensive income (loss)	(15,828)	(1,389)
Tax effect	1,678	(12,583)
Ending Balance	38,782	61,429	14,158
Derivative Instruments
Accumulated Other Comprehensive Income (Loss)
Beginning Balance		(1,763)
Unrealized (losses) gains		223
Amounts reclassified from accumulated other comprehensive income (loss)		1,540
Ending Balance			(1,763)
Pension, Postretirement and Other Post-Employment Benefits
Accumulated Other Comprehensive Income (Loss)
Beginning Balance	61,485	16,103
Unrealized (losses) gains	(8,506)	61,041
Amounts reclassified from accumulated other comprehensive income (loss)	(15,858)	(3,111)
Tax effect	1,662	(12,548)
Ending Balance	38,783	61,485	16,103
Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss)
Beginning Balance	(56)	(182)
Unrealized (losses) gains	9	(21)
Amounts reclassified from accumulated other comprehensive income (loss)	30	182
Tax effect	16	(35)
Ending Balance	$ (1)	$ (56)	$ (182)