Employee Benefit Plans - Schedule of net benefit credit (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 11	$ 1,534
Expected return on plan assets	0	(1,518)
Amortization of prior service credits	0	$ (37)
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)
Amortization of other actuarial (gains)	(22)	$ (195)
Net benefit credit	(11)	(216)
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	49	58
Interest cost	605	674
Amortization of other actuarial (gains)	$ (1,981)	$ (2,422)
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)
Net benefit credit	$ (1,327)	$ (1,690)