Income Taxes (Schedule Of Income (Loss) Before Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016		Dec. 31, 2015
Income Tax Disclosure [Line Items]
Income before income taxes and equity earnings of unconsolidated joint ventures	$ 33,532	$ 12,438	[1]	$ 26,975	[1]
Equity earnings and gain on sale of unconsolidated subsidiary	815	999	[1]	1,204	[1]
Income before income taxes	34,347	13,437		28,179
United States [Member]
Income Tax Disclosure [Line Items]
Income before income taxes and equity earnings of unconsolidated joint ventures	(5,143)	(1,886)		3,826
Foreign [Member]
Income Tax Disclosure [Line Items]
Income before income taxes and equity earnings of unconsolidated joint ventures	38,675	14,324		23,149
Equity earnings and gain on sale of unconsolidated subsidiary	$ 815	$ 999		$ 1,204

[1] Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).