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
Allowance for doubtful accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of Year	$ 1,150	$ 1,072	$ 1,172
Additions Charged to Expense	313	708	1,696
Additions Charged to Other Accounts	0	0	0
Deductions Write Offs	(586)	(630)	(1,796)
Deductions Credited to Other Accounts	0	0	0
Balance at end of Year	877	1,150	1,072
Deferred tax valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of Year	14,576	356	411
Additions Charged to Expense	1,917	14,220	0
Additions Charged to Other Accounts	0	0	0
Deductions Write Offs	(4,100)	0	(55)
Deductions Credited to Other Accounts	0	0	0
Balance at end of Year	$ 12,393	$ 14,576	$ 356