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Income Taxes (Schedule Of Income (Loss) Before Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Line Items] |  |  |
Income (loss) before income taxes and equity earnings of unconsolidated joint ventures | $ (36,112) | $ 40,500 | $ (70,375)
Equity earnings of unconsolidated joint ventures | 271 | 258 | (449)
Income (loss) before income taxes | (35,841) | 40,758 | (70,824)
United States [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Income (loss) before income taxes and equity earnings of unconsolidated joint ventures | (40,087) | (35,835) | (56,709)
Equity earnings of unconsolidated joint ventures |  |  |
Foreign [Member] |  |  |
Income Tax Disclosure [Line Items] |  |  |
Income (loss) before income taxes and equity earnings of unconsolidated joint ventures | 3,975 | 76,335 | (13,666)
Equity earnings of unconsolidated joint ventures | $ 271 | $ 258 | $ (449)

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