Pension Plans - Net Periodic Benefit Cost (Credit) (Details) - Pension Plan [Member] - Qualified Plan [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Dec. 31, 2021
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Interest cost	$ 763	$ 534	$ 1,829	$ 1,484
Expected return on plan assets	(820)	(1,103)	(2,882)	(3,150)
Amortization of net actuarial loss	271	217	694	801
Net settlement loss	723	443	1,576	1,009
Total net periodic pension income	$ 937	$ 91	1,217	$ 144
Discount rate (as a percent)					4.23%	2.42%
Increase in liability under the pension plan			$ 6,400