Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Interest Cost	$ 24	$ 25	$ 26
Expected Return on Plan Assets	(38)	(46)	(44)
Amortization of Net (Gain) Loss			0
Net Periodic Pension Cost	$ (14)	$ (21)	$ (18)