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FINANCIAL ASSETS AND FINANCIAL LIABILITIES - Netting of Financial Assets (Details) - HKD ($) $ in Thousands | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Effects of offsetting on the balance sheet |  |  |
Gross amounts |  |  | $ 7,596,090
Gross amounts set off in the balance sheet |  |  | (5,634,969)
Net amounts presented in the balance sheet |  |  | $ 1,961,121
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  |  | Receivables from Clearing Organizations
Related amounts not offset |  |  |
Net amount |  |  | $ 1,961,121
Amounts due from clearing organizations |  |  |
Effects of offsetting on the balance sheet |  |  |
Gross amounts | $ 5,741,976 | $ 10,857,308 | 7,596,090
Gross amounts set off in the balance sheet | (4,140,950) | (8,941,436) | (5,634,969)
Net amounts presented in the balance sheet | $ 1,601,026 | $ 1,915,872 | $ 1,961,121
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Receivables from Clearing Organizations | Receivables from Clearing Organizations | Receivables from Clearing Organizations
Related amounts not offset |  |  |
Net amount | $ 1,601,026 | $ 1,915,872 | $ 1,961,121

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