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Fair Value Measurements - Summary of Gain (Loss) Derivative Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Fair value adjustments, net | $ (2,010) | $ (13,067) | $ 4,629 | $ (65,272)
Unrealized gain (loss) on equity securities | (2,010) | (13,067) | 4,629 | (62,133)
Termination of gold zero cost collars | 0 | 0 | 0 | (3,139)
Realized gain (loss) on equity securities | $ (2,000) | $ (13,100) | $ (2,300) | $ (46,500)

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