Income Taxes (Schedule Of Income (Loss) Before Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	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)