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Income Taxes (Schedule Of Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Income Taxes [Abstract] |  |
Net operating loss carry-forwards | $ 18,917 | $ 21,498
Foreign Tax Credit | 3,743 | 3,743
Compensation and employee benefits | 3,539 | 3,255
Deferred revenue | 2,642 | 2,552
Accrued expenses | 8,646 | 9,691
Accrued taxes |  | 2,313
Lease Obligations | 69,342 | 64,859
Land and property | 958 | 4,842
Total Deferred Tax Assets | 107,787 | 112,753
Lease liabilities | (63,293) | (60,886)
Accrued taxes | 523 |
Intangibles | (396) | (429)
Other | (461) | (1,020)
Total Deferred Tax Liabilities | (64,673) | (62,335)
Net deferred tax assets before valuation allowance | 43,114 | 50,418
Valuation allowance | (40,894) | (47,056)
Net deferred tax asset | $ 2,220 | $ 3,362

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