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Income Taxes (Schedule Of Significant Components Of The Provision For Income Taxes) (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Taxes [Abstract] |  |  |  |  |
Current income tax expense (benefit), Federal | [1] | $ 297,000 | $ (7,846,000) | $ 2,982,000 |
Current income tax expense (benefit), State |  | 382,000 | 775,000 | 675,000 |
Current income tax expense (benefit), Foreign |  | 6,158,000 | 7,079,000 | 4,685,000 |
Total current income tax expense (benefit) |  | 6,837,000 | 8,000 | 8,342,000 |
Deferred income tax expense (benefit), Federal |  | (3,869,000) | 3,654,000 | (4,197,000) |
Deferred income tax expense (benefit), State |  | 22,000 | (2,351,000) | (422,000) |
Deferred income tax expense (benefit), Foreign |  | 430,000 | 2,069,000 | 415,000 |
Total deferred income tax expense (benefit) |  | (3,417,000) | 3,372,000 | (4,204,000) |
Total income tax expense (benefit) |  | $ 3,420,000 | 3,380,000 | $ 4,138,000 | [2]
Unrecognzied tax benefits and related interest |  |  | $ 7,785 |  |
[1] | The 2017 amount includes a federal tax benefit of $7,785 related to changes in unrecognized tax benefits and related interest.
[2] | Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

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