INVESTMENTS (Details) - Fair Value, Assets Measured on Recurring Basis - USD ($) $ in Thousands	Mar. 31, 2021	Jun. 30, 2020
Investments in debt securities:
Total securities fair value	$ 42,427	$ 11,464
Equity Securities - International [Member]
Investments in equity securities at fair value:
Total securities fair value	17,781	4,479
Equity Securities - Domestic [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fixed Income Securities [Member]
Investments in equity securities at fair value:
Total securities fair value	6,322	6,322
Mutual Funds, Global Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	854	0
Mutual Funds, Domestic Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	663
Corporate Debt Securities [Member] | Available-for-sale Securities [Member]
Investments in debt securities:
Total securities fair value, Available-for-sale	16,470	0
Corporate Debt Securities [Member] | Held-to-maturity Securities [Member]
Investments in debt securities:
Total securities fair value, Held-to-maturity	1,000	0
Fair Value, Inputs, Level 1 [Member]
Investments in debt securities:
Total securities fair value	12,309	11,432
Fair Value, Inputs, Level 1 [Member] | Equity Securities - International [Member]
Investments in equity securities at fair value:
Total securities fair value	5,133	4,447
Fair Value, Inputs, Level 1 [Member] | Equity Securities - Domestic [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 1 [Member] | Fixed Income Securities [Member]
Investments in equity securities at fair value:
Total securities fair value	6,322	6,322
Fair Value, Inputs, Level 1 [Member] | Mutual Funds, Global Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	854	0
Fair Value, Inputs, Level 1 [Member] | Mutual Funds, Domestic Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	663
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member] | Available-for-sale Securities [Member]
Investments in debt securities:
Total securities fair value, Available-for-sale	0	0
Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member] | Held-to-maturity Securities [Member]
Investments in debt securities:
Total securities fair value, Held-to-maturity	0	0
Fair Value, Inputs, Level 2 [Member]
Investments in debt securities:
Total securities fair value	30,118	32
Fair Value, Inputs, Level 2 [Member] | Equity Securities - International [Member]
Investments in equity securities at fair value:
Total securities fair value	12,648	32
Fair Value, Inputs, Level 2 [Member] | Equity Securities - Domestic [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Fixed Income Securities [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds, Global Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Mutual Funds, Domestic Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] | Available-for-sale Securities [Member]
Investments in debt securities:
Total securities fair value, Available-for-sale	16,470	0
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member] | Held-to-maturity Securities [Member]
Investments in debt securities:
Total securities fair value, Held-to-maturity	1,000	0
Fair Value, Inputs, Level 3 [Member]
Investments in debt securities:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities - International [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities - Domestic [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income Securities [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds, Global Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Mutual Funds, Domestic Equity [Member]
Investments in equity securities at fair value:
Total securities fair value	0	0
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member] | Available-for-sale Securities [Member]
Investments in debt securities:
Total securities fair value, Available-for-sale	0	0
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member] | Held-to-maturity Securities [Member]
Investments in debt securities:
Total securities fair value, Held-to-maturity	$ 0	$ 0