Long Term Liabilities (Schedule of Long Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012
Long Term Liabilities [Abstract]
Indemnification liabilities	$ 1,217	$ 6,079
Deferred tax liability	4,339	4,907
Liabilities for uncertain tax positions	79,895	79,688	79,650	80,732
Other	307	2,443
Long term liabilities	$ 85,758	$ 93,117