SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS [Schedule] (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]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 1,167	$ 1,772	$ 2,145
Additions Charged to Costs/Expenses (Recoveries)	53	(76)	175
Deductions	112	529	548
Balance at End of Period	$ 1,108	$ 1,167	$ 1,772