Other Income (Expense) - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2003
Other Income And Expenses [Abstract]
Change in Fair Value Estimate	$ 0	$ (675)	$ 0	$ (675)
Licenses Revenue	257	283	555	548
Foreign Currency Transaction Gain (Loss), Realized	(185)	(238)	(984)	(205)
Gain (Loss) On Disposition Of Assets	60	214	105	238
Proceeds From Non Income Tax Refunds	0	2,656	0	2,669
Other Nonoperating Income	32	123	69	180
Other Nonoperating Expense	(47)	(62)	(101)	(108)	(2,000)
Other Income, Net	$ 117	$ 2,301	$ (356)	$ 2,647