Basis Of Presentation And Summary Of Significant Accounting Policies (Schedule Of Supplemental Disclosures Of Cash Flow Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary Of Significant Accounting Policies [Abstract]
Interest	$ 14,407	$ 13,049	$ 13,297
Income taxes	5,483	4,122	1,944
Issuance of common stock for Ascyrus Acquisition		20,000
Issuance of common stock for contingent consideration	10,000
Operating lease right of use assets	$ 31,726	$ 1,864	$ 2,604