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Income Taxes (Schedule Of Components Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Income Taxes [Abstract] |  |
Net operating loss carry forwards | $ 8,199 | $ 8,579
Alternative minimum tax credit carry-forwards | 1,117 | 939
Foreign Tax Credit | 2,715 |
Compensation and employee benefits | 3,906 | 4,146
Deferred revenue | 2,266 | 2,500
Accrued expenses | 6,916 | 6,017
Accrued taxes | 2,086 | 2,440
Land and property | 7,373 | 8,457
Other |  | 106
Total Deferred Tax Assets | 34,578 | 33,184
Intangibles | (1,256) | (1,087)
Cancellation of indebtedness |  | (481)
Other | (367) |
Total Deferred Tax Liabilities | (1,623) | (1,568)
Net deferred tax assets before valuation allowance | 32,955 | 31,616
Valuation allowance | (6,720) | (6,870)
Net deferred tax asset | $ 26,235 | $ 24,746

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