Benefit Plan Schedule of balances of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Tax	$ 137	$ 152
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	7,469	43,723
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax	(7,332)	(43,571)
Deferred Tax Assets, Tax Deferred Expense, Other	1,540	9,150
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax	$ (5,792)	$ (34,421)