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FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($) $ in Thousands, shares in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2024 | Oct. 31, 2022 | Apr. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2024 | Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities, net proceeds |  |  |  |  | $ 193,300 |
Gain (loss) resulting from the change in the fair value of investments |  |  |  |  | (12,400) | $ (10,400)
Equity securities, change in fair value of the investment |  |  |  |  | 8,400 |
Proceeds from sale of equity securities, FV-NI |  |  |  |  | 4,000 |
Convertible notes |  |  |  |  | $ 9,400 |
Convertible notes (in shares) |  |  |  |  | 0.5 |
Lockup period |  |  |  |  | 180 days |
Investment shares |  |  |  |  | 1.0 |
Unrealized gain (loss) on investments |  |  |  |  | $ (1,100) | $ 6,300
Convertible Debt | Galileo Technologies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Interest rate (as a percent) |  |  | 5.00% |  |  |
Fair Value, Nonrecurring |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities, investment | $ 4,300 |  |  |  | 4,600 |
Debt security investments | 300 |  |  |  | 250 |
Recurring Fair Value Measurements | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt securities, investment | 27,000 |  |  |  | 27,500 |
Geothermal Investments | Fair Value, Nonrecurring |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities, investment | 25,800 |  |  |  | 26,200 |
Equity securities, fair value | 100 |  |  |  | 500 |
Equity securities | 25,700 |  |  |  | 25,700 |
Geothermal Investments | Recurring Fair Value Measurements |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt securities, investment | 2,000 |  |  |  | 2,000 |
Geothermal Investments | Recurring Fair Value Measurements | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt securities, investment | $ 2,000 |  |  |  | $ 2,000 |
ADNOC Drilling |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments to acquire investments |  |  |  | $ 100,000 |  |
Investment balance (in shares) |  |  |  | 159.7 |  |
Investments lockup period (in years) | 3 years |  |  | 3 years |  |
Sale of Equity Securities, Number of Shares Sold |  |  |  |  | 159.7 |
ADNOC Drilling | ADNOC Drilling |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Ownership percentage (as a percent) |  |  |  | 1.00% |  |
Tamboran Resources Limited |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments to acquire investments |  | $ 14,100 |  |  |  |
Investment shares acquired (in shares) |  | 106.0 |  |  |  |
Tamboran Resources Limited | Tamboran Resources Limited |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Ownership percentage (as a percent) |  |  |  |  | 7.20% |
Tamboran Resources Limited | Recurring Fair Value Measurements |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities, investment | $ 20,958 |  |  |  | $ 19,810 |
Tamboran Resources Limited | Recurring Fair Value Measurements | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Equity securities, investment | 0 |  |  |  | 0 |
Galileo Technologies |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Payments to acquire investments |  |  | $ 33,000 |  |  |
Galileo Technologies | Recurring Fair Value Measurements |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt securities, investment | 27,044 |  |  |  | 27,499 |
Galileo Technologies | Recurring Fair Value Measurements | Level 3 |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |
Debt securities, investment | $ 27,044 |  |  |  | $ 27,499 |

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