Long Term Liabilities (Schedule of Long Term Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Long Term Liabilities [Abstract]
Indemnification liabilities (see Note 15)	$ 6,079	$ 12,204
Deferred tax liability	4,907
Liabilities for uncertain tax positions	79,688	80,732
Other	2,443	2,905
Long term liabilities	$ 93,117	$ 95,841