LONG-TERM INVESTMENTS - Available-for-Sale Debt Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Long-Term Investments [Abstract]
Amortized Cost	$ 7,499	$ 7,269
Estimated fair value	$ 10,684	$ 9,703

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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