Shareholders' Equity (Schedule of Restricted Stock And Cash Entitlements Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stockholders' Equity Note [Abstract]
Restricted Stock Expense	$ 1,692	$ 1,051	$ 1,287
Cash Entitlement Expense	732	995	639
Tax Effect	(629)	(531)	(499)
Net of Tax	$ 1,795	$ 1,515	$ 1,427