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LONG-TERM INVESTMENTS - Components of Investment Securities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Investments, Debt and Equity Securities [Abstract] |  |
PropTech convertible trading debt securities | $ 1,254 | $ 1,162
Long-term investment securities at fair value | 3,127 | 2,821
PropTech investments at cost | 6,400 | 8,888
PropTech investments under equity method | 619 | 570
Total investments | 11,400 | 13,441
PropTech current convertible trading debt securities | 1,254 | 0
Less PropTech investments accounted for under the equity method | 619 | 570
Total long-term investments | $ 9,527 | $ 12,871

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