Income Taxes (Schedule Of Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Abstract]
Net operating loss carry-forwards	$ 31,820	$ 26,237
Foreign Tax Credit	3,743	3,743
Compensation and employee benefits	2,972	3,252
Deferred revenue	2,912	2,713
Accrued expenses	18,221	12,206
Lease Obligations	47,666	56,119
Land and property	2,412	1,620
Total Deferred Tax Assets	109,746	105,890
Lease liabilities	(48,927)	(52,747)
Accrued taxes	(632)	(532)
Intangibles	(442)	(444)
Other	(359)	(942)
Total Deferred Tax Liabilities	(50,360)	(54,665)
Net deferred tax assets before valuation allowance	59,386	51,225
Valuation allowance	(59,087)	(50,778)
Net deferred tax asset	$ 299	$ 447