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INVESTMENTS - Summary of Investments (Details) | Jun. 30, 2022 | Dec. 31, 2021
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Other equity investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, percent ownership of voting stock | 2.40% |
Minimum | Equity Securities | Other equity investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, percent ownership of voting stock | 1.00% | 1.00%
Minimum | Equity Securities | Fair value option investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, percent ownership of voting stock | 10.00% | 10.00%
Minimum | Debt Securities | Available-for-sale securities - redeemable preferred shares |  |
Schedule of Equity Method Investments [Line Items] |  |
Available for sale securities, percent ownership of voting stock | 1.00% | 1.00%
Maximum | Equity Securities | Other equity investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, percent ownership of voting stock | 19.00% | 19.00%
Maximum | Equity Securities | Fair value option investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment, percent ownership of voting stock | 19.00% | 19.00%
Maximum | Debt Securities | Available-for-sale securities - redeemable preferred shares |  |
Schedule of Equity Method Investments [Line Items] |  |
Available for sale securities, percent ownership of voting stock | 19.00% | 19.00%

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