SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) (Allowance for Doubtful Accounts, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 541	$ 684	$ 681
Charged (Credited) to Income	163	(143)	8
Deduction and Other	0	0	(5)
Balance at End of Year	$ 704	$ 541	$ 684