Employee Benefit Plans (Summary of 401k Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Benefit Plans (Summary of 401(k) Activity) [Abstract]
Total expense associated with the retirement benefit plan	$ 1,075	$ 1,061	$ 1,023
Common Stock Shares Held In Benefit Plan	178,936	198,300	203,989