SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Doubtful trade receivables and returns and allowances [Member]
Valuation and qualifying accounts [Roll Forward]
Balance Beginning of Year	$ 652	$ 450	$ 1,083
Charged/(Credited) to Cost and Expenses	433	193	(103)
Charged/(Credited) to Other Accounts	27	12	(39)
Deductions	54	3	491
Balance End of Year	1,058	652	450
Deferred tax valuation allowance [Member]
Valuation and qualifying accounts [Roll Forward]
Balance Beginning of Year	29,941	77,571	77,849
Charged/(Credited) to Cost and Expenses	(97)	(45,105)	(9,546)
Charged/(Credited) to Other Accounts	46	(2,525)	9,268
Deductions		0	0
Balance End of Year	$ 29,890	$ 29,941	$ 77,571