Benefit Plan Schedule of components of net periodic benefit cost and other amounts recognized in OCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Defined Benefit Plan, Service Cost	$ (9,749)	$ (9,916)	$ (8,319)
Defined Benefit Plan, Interest Cost	(5,705)	(5,359)	(5,283)
Defined Benefit Plan, Expected Return (Loss) on Plan Assets	$ 17,798	$ 15,731	$ 14,410
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Employee benefits	Employee benefits	Employee benefits
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)	$ (2,359)	$ 1,764	$ 367
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax	(1,109)	34,019	(10,981)
Defined Benefit Plan, Amortization of Gain (Loss)	(15)	2,220	1,175
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax	(1,124)	36,239	(9,806)
Total Recognized In Net Benefit Cost And Other Comprehensive Loss Income	$ 1,235	$ 34,475	$ (10,173)