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FAIR VALUE MEASUREMENTS - Investments Narrative (Details) - Yanolja Co., Ltd | Jun. 30, 2023 | Jun. 30, 2022 yr
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EBITDA Multiple Decrease | Valuation, Market Approach |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities measured at fair value |  | 0.36
Discount Rate | Valuation, Income Approach | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities measured at fair value | 0.105 | 0.10
Discount Rate | Valuation, Income Approach | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities measured at fair value | 0.145 | 0.14
EBITDA Multiple | Valuation, Income Approach | Minimum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities measured at fair value | 14 | 14
EBITDA Multiple | Valuation, Income Approach | Maximum |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Equity securities measured at fair value | 16 | 16

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