Schedule II Valuation Accounts (Details) (Allowance For Doubtful Accounts [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Allowance For Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 794		$ 819		$ 2,182
Net Additions (Reductions) to Expense	(227)		29		(936)
Deductions	(64)	[1]	(54)	[1]	(427)	[1]
Balance at End of Period	$ 503		$ 794		$ 819

[1] Primarily consists of write-offs, net of recoveries and other adjustments