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SIGNIFICANT ACCOUNTING POLICIES - Significant Risks and Uncertainties (Details) $ in Millions, $ in Millions | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2022 HKD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2022 HKD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 HKD ($) | Dec. 31, 2020 | Dec. 31, 2019
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |  |  |
Gradual increase in basis | 1.00% |  | 1.00% |  |  |  |  |
pre-tax income |  |  | $ 309.6 | $ 39.6 |  |  |  |
Gradual decrease in basis | 1.00% | 1.00% |  |  |  |  |  |
Pre-tax loss | $ 346.8 | $ 44.3 |  |  |  |  |  |
China, Yuan Renminbi |  |  |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |  |  |
Net assets | $ (2,378.5) |  | $ (1,894.9) |  |  | $ (2,374.8) |  |
Estimated depreciation of renminbi against the U.S. dollar (as a percent) | 10.00% |  | 10.00% |  |  | 10.00% | 10.00% | 10.00%
Appreciation in pre tax income |  | 30.3 |  | 24.1 | $ 30.5 |  |  |
Estimated appreciation of renminbi against the U.S. dollar (as a percent) | 10.00% |  | 10.00% |  |  | 10.00% | 10.00% | 10.00%
Depreciation in pre tax income |  | 30.3 |  | $ 24.1 | $ 30.5 |  |  |
Hong Kong, Dollars |  |  |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |  |  |
pre-tax income | $ 346.8 |  |  |  |  |  |  |
United States of America, Dollars |  |  |  |  |  |  |  |
SIGNIFICANT ACCOUNTING POLICIES |  |  |  |  |  |  |  |
pre-tax income |  | $ 44.3 |  |  |  |  |  |

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