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INVESTMENTS (Details) - Fair Value, Assets Measured on Recurring Basis - USD ($) $ in Thousands | Sep. 30, 2021 | Jun. 30, 2021
--- | --- | ---
Investments in equity securities: |  |
Equity securities fair value | $ 14,924 | $ 18,258
Investments in debt securities: |  |
Debt securities fair value | 8,770 |
Total investments carried at fair value on a recurring basis: | 30,776 | 35,307
Equity Securities International [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 7,717 | 10,998
Mutual Funds - Fixed Income [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 6,291 | 6,322
Mutual Funds Global Equity [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 916 | 938
Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments in debt securities: |  |
Debt securities fair value | 15,852 | 17,049
Fair Value, Inputs, Level 1 [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 7,585 | 10,097
Investments in debt securities: |  |
Total investments carried at fair value on a recurring basis: | 7,585 | 10,097
Fair Value, Inputs, Level 1 [Member] | Equity Securities International [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 378 | 2,837
Fair Value, Inputs, Level 1 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 6,291 | 6,322
Fair Value, Inputs, Level 1 [Member] | Mutual Funds Global Equity [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 916 | 938
Fair Value, Inputs, Level 1 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments in debt securities: |  |
Debt securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 135
Investments in debt securities: |  |
Total investments carried at fair value on a recurring basis: | 0 | 135
Fair Value, Inputs, Level 2 [Member] | Equity Securities International [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 135
Fair Value, Inputs, Level 2 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds Global Equity [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments in debt securities: |  |
Debt securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 7,339 | 8,026
Investments in debt securities: |  |
Total investments carried at fair value on a recurring basis: | 23,191 | 25,075
Fair Value, Inputs, Level 3 [Member] | Equity Securities International [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 7,339 | 8,026
Fair Value, Inputs, Level 3 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds Global Equity [Member] |  |
Investments in equity securities: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments in debt securities: |  |
Debt securities fair value | $ 15,852 | $ 17,049

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