Employee Benefit Plans - Schedule of net benefit credit (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 11	$ 1,023	$ 34	$ 4,090
Expected return on plan assets	0	(1,012)		(4,048)
Pension settlement	(2,000)	(3,986)	$ (2,000)	(3,986)
Amortization of prior service credits	$ 0	$ (25)		$ (98)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Amortization of Prior Service Cost (Credit), Statement of Income or Comprehensive Income [Extensible Enumeration]	Pension and Other Postretirement Benefits Cost (Reversal of Cost)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Amortization of other actuarial (gains)	$ (22)	$ (129)	$ (67)	$ (519)
Net benefit credit	(2,011)	(4,129)	(2,033)	(4,561)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	49	58	148	173
Interest cost	605	674	1,815	2,021
Amortization of other actuarial (gains)	(1,981)	(2,422)	$ (5,943)	(7,267)
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]			Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Net benefit credit	$ (1,327)	$ (1,690)	$ (3,980)	$ (5,073)