Retirement Plans and Other Post-Retirement Benefits (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	244	266	658	789
Amortization of prior service cost (credit)	11	12	33	36
Amortization of actuarial loss	161	199	492	597
Total net periodic benefit expense (income)	416	477	1,183	1,422
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	8	0	22
Interest cost	33	31	98	95
Amortization of prior service cost (credit)	26	(58)	78	(175)
Amortization of actuarial loss	0	11	0	35
Total net periodic benefit expense (income)	$ 59	$ (8)	$ 176	$ (23)