Schedule II - Valuation And Qualifying Accounts And Reserves (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Valuation and Qualifying Accounts [Abstract]
Balance at Beginning of Period	$ 5,343	$ 5,343	$ 5,083
Additions Charged to Costs And Expenses	0	90	260
Deductions And Net Write-Offs	(1)	(90)	0
Balance at End of Period	$ 5,342	$ 5,343	$ 5,343