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LONG-TERM INVESTMENTS - Additional Information (Details) - HKD ($) $ in Thousands | 6 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021 | Jan. 31, 2019
LONG-TERM INVESTMENTS |  |  |  |  |  |
Equity method investments | $ 233,834 | $ 229,970 |  |  | $ 7,798 | $ 6,709
Loss on investment | 9,398 | 13,324 |  |  |  |
Impairment provision of equity method investments | 0 |  |  |  |  |
Equity investments without readily determinable fair values | 15,754 | 15,754 |  |  | 15,596 |
Impairment provision of equity investments without readily determinable fair values | 0 | 0 |  |  | $ 0 |
TH Fund LP |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |
Equity method investments | $ 235,434 |  |  |  |  |
Percentage of equity interest (as a percent) | 16.00% |  |  |  | 10.00% | 20.00%
Loss on investment |  |  | $ 278 | $ 543 |  |
Impairment provision of equity method investments | $ 5,888 | 5,888 |  |  | $ 5,888 |
Equity investments without readily determinable fair values | $ 0 |  |  |  | 0 |
Impairment provision of equity investments without readily determinable fair values |  | $ 0 |  |  | $ 0 |
Newflow Amity Fund I, LP |  |  |  |  |  |
LONG-TERM INVESTMENTS |  |  |  |  |  |
Percentage of equity interest (as a percent) |  |  |  |  | 2.75% |

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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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