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FINANCIAL INSTRUMENTS - Summary of Activities Related to Investments (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Debt Securities, Available for Sale [Roll Forward] |  |
Fair value at beginning of period | $ 40,999 | $ 39,459
Purchases | 19,350 | 23,210
Redemptions | (3,525) | (500)
Maturities | (18,120) | (21,423)
Change in bond premium | 33 | (386)
Fair market value adjustment | 174 | 639
Fair value at end of period | $ 38,911 | $ 40,999

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