Employee Benefit Plans - Schedule of net benefit credit (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Defined Benefit Plan Disclosure [Line Items]
Final contribution to the plan			$ 3,200
Gain recognized upon plan termination			4,000
Defined benefit pension plan
Defined Benefit Plan Disclosure [Line Items]
Interest cost	$ 1,023	$ 1,486	4,090	$ 3,673
Expected return on plan assets	(1,012)	(1,557)	(4,048)	(4,422)
Pension settlement	$ (3,986)	$ (201)	$ (3,986)	$ (615)
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)	Pension and Other Postretirement Benefits Cost (Reversal of Cost)
Amortization of prior service credits	$ (25)	$ (38)	$ (98)	$ (111)
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 losses (gains)	$ (129)	$ (101)	$ (519)	$ (134)
Net benefit credit	(4,129)	(411)	(4,561)	(1,609)
Other postretirement benefits plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	58	71	173	212
Interest cost	674	501	2,021	1,504
Amortization of other actuarial losses (gains)	$ (2,422)	$ (627)	$ (7,267)	$ (1,881)
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 and Other Postretirement Benefits Cost (Reversal of Cost)
Net benefit credit	$ (1,690)	$ (55)	$ (5,073)	$ (165)