Retirement Plans (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Retirement Plans [Abstract]
Service period of participants not impacted by pension plan amendment				15 years
Age of plan participants not impacted by pension plan amendment				50 years
Service period of participants who are age fifty not impacted by pension plan amendment				10 years
Higman [Member]
Retirement Plans [Abstract]
Pension contributions				$ 700
Higman [Member] | Subsequent Event [Member]
Retirement Plans [Abstract]
Pension contributions	$ 200
Pension Plan [Member]
Components of net periodic benefit cost [Abstract]
Service cost		$ 1,634	$ 1,991	4,903	$ 5,971
Interest cost		3,694	3,560	11,056	10,679
Expected return on plan assets		(7,099)	(6,566)	(21,395)	(19,699)
Amortization of actuarial loss (gain)		6	1,412	248	3,300
Net periodic benefit cost		(1,765)	397	(5,188)	251
SERP [Member]
Components of net periodic benefit cost [Abstract]
Service cost		0	0	0	0
Interest cost		7	8	22	23
Expected return on plan assets		0	0	0	0
Amortization of actuarial loss (gain)		7	10	22	30
Net periodic benefit cost		14	18	$ 44	53
Other Postretirement Benefits Plan [Member]
Retirement Plans [Abstract]
Pension plan defined benefit plan cost increase limit percentage				4.00%
Components of net periodic benefit cost [Abstract]
Interest cost		5	5	$ 13	13
Amortization of actuarial loss (gain)		(98)	(113)	(295)	(338)
Net periodic benefit cost		$ (93)	$ (108)	$ (282)	$ (325)