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INVESTMENTS (Details) - Fair Value, Assets Measured on Recurring Basis - USD ($) $ in Thousands | Jun. 30, 2021 | Jun. 30, 2020
--- | --- | ---
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | $ 18,258 | $ 11,464
Total investments carried at fair value on a recurring basis: | 35,307 | 11,464
Equity Securities International [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 10,998 | 4,479
Common Stock - Domestic [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Mutual Funds - Fixed Income [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 6,322 | 6,322
Mutual Funds Global Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 938 | 0
Mutual Funds, Domestic Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 663
Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Debt securities fair value | 17,049 | 0
Fair Value, Inputs, Level 1 [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 10,097 | 11,432
Total investments carried at fair value on a recurring basis: | 10,097 | 11,432
Fair Value, Inputs, Level 1 [Member] | Equity Securities International [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 2,837 | 4,447
Fair Value, Inputs, Level 1 [Member] | Common Stock - Domestic [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 6,322 | 6,322
Fair Value, Inputs, Level 1 [Member] | Mutual Funds Global Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 938 | 0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds, Domestic Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 663
Fair Value, Inputs, Level 1 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Debt securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 135 | 32
Total investments carried at fair value on a recurring basis: | 135 | 32
Fair Value, Inputs, Level 2 [Member] | Equity Securities International [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 135 | 32
Fair Value, Inputs, Level 2 [Member] | Common Stock - Domestic [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds Global Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds, Domestic Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 2 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Debt securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 8,026 | 0
Total investments carried at fair value on a recurring basis: | 25,075 | 0
Fair Value, Inputs, Level 3 [Member] | Equity Securities International [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 8,026 | 0
Fair Value, Inputs, Level 3 [Member] | Common Stock - Domestic [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds - Fixed Income [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds Global Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds, Domestic Equity [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Equity securities fair value | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Available-for-sale Securities [Member] | Corporate Debt Securities [Member] |  |
Investments carried at fair value on a recurring basis: |  |
Debt securities fair value | $ 17,049 | $ 0

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