INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2020 |
Mar. 31, 2020 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2020 |
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| Schedule of Investments [Line Items] | |||||
| Trading securities cost (in excess of) or below market value | $ 941 | $ 138 | |||
| Percentage of voting rights sold | 51.00% | ||||
| Loss on sale of investments | $ 5,587 | ||||
| Payments to equity-method investments | $ 9,482 | 29,148 | |||
| Proceeds from sale of ownership interests in subsidiaries | $ 42,210 | 8,254 | $ 0 | ||
| Receivable with imputed interest, net amount | 15 | ||||
| (Gain) loss on sale of ownership interests in subsidiaries | $ (11,208) | $ 6,469 | $ 0 | ||
| Minimum | |||||
| Schedule of Investments [Line Items] | |||||
| Receivable with imputed interest, effective yield (interest rate) | 6.00% | ||||
| Maximum | |||||
| Schedule of Investments [Line Items] | |||||
| Receivable with imputed interest, effective yield (interest rate) | 14.00% | ||||
| X | ||||||||||
- Definition Sale Of Subsidiary, Percentage Of Voting Rights Sold No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition This element represents the net excess or deficiency of the fair value of an investment (security, contract) over or under its cost (face amount, notional amount), respectively, which excess value or deficiency has not been recognized in earnings of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The difference between the carrying value and the sale price of an investment. A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The receivable or note face amount less the unamortized discount or premium. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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