INVESTMENTS IN MARKETABLE DEBT SECURITIES - Investments in marketable securities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
INVESTMENTS IN MARKETABLE DEBT SECURITIES
Short-term investments	$ 90,673	$ 85,860
Long-term investments	8,144	16,470
Total investments	$ 98,817	$ 102,330

Amount of investment in marketable security.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

Amount of investment in marketable security, classified as current.

+ References

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- Definition

Amount of investment in marketable security, classified as noncurrent.

+ References

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