Debt (Effect Of The Derivative Financial Instruments On The Consolidated Statements Of Operations And Consolidated Statements Of Equity) (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
Amount of gain (loss) recognized in other comprehensive income (loss) (effective portion)	$ 166,000	[1]	$ 174,000	$ 1,076,000	[1]	$ 483,000
Amount reclassified from other comprehensive income to interest expense	258,000			901,000
Cedar/Rio Can Joint Venture [Member]
Amount of gain (loss) recognized in other comprehensive income (loss) (effective portion)			$ 20,000			$ 78,000

[1] For the three and nine months ended September 30, 2013, $258,000 and $901,000, respectively, were reclassified from other comprehensive income to interest expense in the consolidated statements of operations.