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INVESTMENTS (Details) - Summary of Gross Unrealized Losses and Fair Value of Available-for-Sale Investments $ in Thousands | Jun. 30, 2018 USD ($)
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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)

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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 twelve months or longer. + References No definition available. + Details
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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 + Details
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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 No definition available. + Details
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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. + References No definition available. + Details
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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 No definition available. + Details
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