Long-Term Liabilities (Schedule of Long Term Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Long-Term Liabilities [Abstract]
Indemnification liabilities (see Note 13)	$ 184	$ 293
Liabilities for uncertain tax positions	13,315	61,182
Long-term liabilities	$ 13,499	$ 61,475

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- Definition

Amount recognized for uncertainty in income taxes classified as noncurrent.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.24)
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Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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