Pension and Other Postretirement Benefits (Details 1) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Contribution expense		$ 4,870	$ 5,475	$ 5,301
Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
Total accumulated benefit obligation	$ 395,663	395,663	520,356
Estimated future employer contributions in next fiscal year	9,712	9,712
Curtailment gain (loss)	$ (1,158)	(1,158)	133	(484)
Settlement gain (loss)		605	(205)	(549)
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain (loss)		0	0	0
Settlement gain (loss)		$ 0	$ 0	$ 0
Health care cost trend rate assumed	7.52%	7.52%	6.56%
Ultimate health care cost trend rate	4.00%	4.00%
Equity Securities [Member] | Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
The weighted-average target investment allocations in equity securities	65.00%	65.00%
Fixed Income Securities [Member] | Pensions [Member]
Defined Benefit Plan Disclosure [Line Items]
The weighted-average target investment allocations in equity securities	35.00%	35.00%