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Marketable Securities (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Investments, Debt and Equity Securities [Abstract]
Fair value through profit or loss	[1]	$ 1,166	$ 1,209
Available-for-sale		10,753	12,929
Total		$ 11,919	$ 14,138
[1] The Group recognized trading gains in the amount of $21 and $0 during the six months period ended June 30, 2018 and 2017, respectively.

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

No definition available.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

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- Definition

Amount of investment in marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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