Employee Benefit Plans - Schedule of net benefit credit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 3,974	$ 5,991	$ 7,796
Interest cost	$ 6,041	$ 4,610	$ 4,439
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Settlement Gain (Loss), 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)
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)
Amortization of other actuarial losses (gains)	$ 965	$ (628)	$ (2,363)
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)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0
Interest cost	4,108	5,264	4,334
Settlements/Terminations	(1,586)	(771)	(1,768)
Expected return on plan assets	(4,048)	(6,173)	(7,245)
Amortization of prior service credits	(98)	(147)	(128)
Amortization of other actuarial losses (gains)	(553)	(313)	(62)
Net benefit credit	(2,177)	(2,140)	(4,869)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	231	282	341
Interest cost	2,694	2,006	2,113
Settlements/Terminations	0	0	0
Expected return on plan assets	0	0	0
Amortization of prior service credits	0	0	0
Amortization of other actuarial losses (gains)	(9,690)	(2,508)	0
Net benefit credit	$ (6,765)	$ (220)	$ 2,454