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Fair Value Measurements (Details) - Schedule of Beginning and Ending Balances of Recurring Fair Value Measurements Classified - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Investments in Convertible Notes (Note 7): |  |  |  |
Beginning balance |  | $ 21,421 |  |
Purchases |  | 11,228 |  | 21,863
Settlements |  | (28,818) |  |
Conversions |  | (9,684) | [1] |
Net realized gains/(losses) | [2] | 5,853 |  | (442)
Ending balance |  |  |  | 21,421
Deferred Consideration Obligation [Member] |  |  |  |
Investments in Convertible Notes (Note 7): |  |  |  |
Beginning balance |  | 200,290 |  | 228,062
Settlements |  | (144,406) |  | (17,115)
Net realized gains/(losses) | [3] | 6,069 |  | 17,108
Net unrealized gains | [4] | (61,953) |  | (27,765)
Ending balance |  |  |  | $ 200,290
[1] | The Fnality convertible notes converted into Series B-1 Preference Shares on October 31, 2023 (Note 7)
[2] | Recorded in impairments and other losses, net in the Consolidated Statements of Operations.
[3] | Recorded as contractual gold payments expense in the Consolidated Statements of Operations.
[4] | Recorded as gain on revaluation/termination of deferred consideration—gold payments in the Consolidated Statements of Operations.

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