Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) (Deferred income tax valuation allowance [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred income tax valuation allowance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Start of Period	$ 8,544	$ 9,393	$ 12,793
Charged to Costs and Expenses	6,463	2	75
Charged/Credited to Other Accounts	71	(210)	38
Deductions	(7,894)	(641)	(3,513)
Balance at End of Period	$ 7,184	$ 8,544	$ 9,393