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Income Taxes (Schedule Of Income (Loss) Before Income Tax Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Line Items]      
Income (loss) before income taxes and equity earnings of unconsolidated joint ventures $ 1,542 $ 16,490 $ 33,354
Equity earnings of unconsolidated joint ventures 792 974 815
Income (loss) before income taxes 2,334 17,464 34,169
United States [Member]      
Income Tax Disclosure [Line Items]      
Income (loss) before income taxes and equity earnings of unconsolidated joint ventures (11,539) (3,493) (5,466)
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 13,081 19,983 38,820
Equity earnings of unconsolidated joint ventures $ 792 $ 974 $ 815