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INVESTMENTS IN DEBT SECURITIES - Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
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Short-term debt securities: |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | $ 15,523 | $ 69,859
Less than 12 Months, Gross Unrealized Losses | (3) | (94)
Greater than 12 months, Fair Value | 0 | 5,989
Greater than 12 months, Gross Unrealized Losses | 0 | (7)
Total, Fair Value | 15,523 | 75,848
Total, Gross Unrealized Losses | (3) | (101)
Short-term debt securities: | U.S. agency securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 17 | 18,954
Less than 12 Months, Gross Unrealized Losses | 0 | (1)
Greater than 12 months, Fair Value | 0 | 0
Greater than 12 months, Gross Unrealized Losses | 0 | 0
Total, Fair Value | 17 | 18,954
Total, Gross Unrealized Losses | 0 | (1)
Short-term debt securities: | Corporate bonds |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 3,508 | 50,905
Less than 12 Months, Gross Unrealized Losses | 0 | (93)
Greater than 12 months, Fair Value | 0 | 1,995
Greater than 12 months, Gross Unrealized Losses | 0 | (3)
Total, Fair Value | 3,508 | 52,900
Total, Gross Unrealized Losses | 0 | (96)
Short-term debt securities: | U.S. government securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 11,998 | 0
Less than 12 Months, Gross Unrealized Losses | (3) | 0
Greater than 12 months, Fair Value | 0 | 3,994
Greater than 12 months, Gross Unrealized Losses | 0 | (4)
Total, Fair Value | 11,998 | 3,994
Total, Gross Unrealized Losses | (3) | (4)
Long-term debt securities: |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 7,813 | 152,069
Less than 12 Months, Gross Unrealized Losses | (100) | (646)
Greater than 12 months, Fair Value | 1,235 | 363
Greater than 12 months, Gross Unrealized Losses | (146) | (123)
Total, Fair Value | 9,048 | 152,432
Total, Gross Unrealized Losses | (246) | (769)
Long-term debt securities: | U.S. agency securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value |  | 9,990
Less than 12 Months, Gross Unrealized Losses |  | (10)
Greater than 12 months, Fair Value |  | 0
Greater than 12 months, Gross Unrealized Losses |  | 0
Total, Fair Value |  | 9,990
Total, Gross Unrealized Losses |  | (10)
Long-term debt securities: | Corporate bonds |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 4,539 | 80,550
Less than 12 Months, Gross Unrealized Losses | (2) | (384)
Greater than 12 months, Fair Value | 0 | 0
Greater than 12 months, Gross Unrealized Losses | 0 | 0
Total, Fair Value | 4,539 | 80,550
Total, Gross Unrealized Losses | (2) | (384)
Long-term debt securities: | Municipal securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value | 3,274 | 2,848
Less than 12 Months, Gross Unrealized Losses | (98) | (128)
Greater than 12 months, Fair Value | 1,235 | 363
Greater than 12 months, Gross Unrealized Losses | (146) | (123)
Total, Fair Value | 4,509 | 3,211
Total, Gross Unrealized Losses | $ (244) | (251)
Long-term debt securities: | U.S. government securities |  |
Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] |  |
Less than 12 Months, Fair Value |  | 58,681
Less than 12 Months, Gross Unrealized Losses |  | (124)
Greater than 12 months, Fair Value |  | 0
Greater than 12 months, Gross Unrealized Losses |  | 0
Total, Fair Value |  | 58,681
Total, Gross Unrealized Losses |  | $ (124)

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