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INVESTMENTS (Details) - Summary of Gross Unrealized Losses and Fiar Value of Available-for-Sale Investments $ in Thousands	Jun. 30, 2018 USD ($)
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	$ 1,030
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(103)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	1,030
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	(103)
Common Stock - International [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	39
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(94)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	39
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	(94)
Fixed Income Securities [Member]
Available-for-sale securities
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	991
Available-for-sale securities, continuous unrealized loss position, less than 12 months, gross unrealized loss	(9)
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, fair value	0
Available-for-sale securities, continuous unrealized loss position, 12 months or greater, gross unrealized loss	0
Available-for-sale securities, continuous unrealized loss position, fair value, total	991
Available-for-sale securities, continuous unrealized loss position, gross unrealized losses, total	$ (9)

X

- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer.

+ References

No definition available.

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- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale in a continuous loss position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27337-111563

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

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- Definition

Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for less than twelve months.

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- Definition

This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.

+ References

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- Definition

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+ References

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