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Digital Assets - Schedule of Changes in Digital Asset Holdings (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Indefinite-Lived Intangible Assets [Roll Forward] |  |  |  |
Beginning balance |  |  | $ 10,137 |
Received from customers, net of expenses |  |  | 64 |
Exchanges of digital assets |  |  | 0 |
Disposal proceeds |  |  | (15,390) |
Gain on sale of digital assets |  |  | 5,310 |
Impairment expense | $ 0 | $ (12,158) | (50) | $ (21,511)
Ending balance | 71 |  | 71 |
Bitcoin |  |  |  |
Indefinite-Lived Intangible Assets [Roll Forward] |  |  |  |
Beginning balance |  |  | 9,460 |
Received from customers, net of expenses |  |  | 0 |
Exchanges of digital assets |  |  | 0 |
Disposal proceeds |  |  | (14,154) |
Gain on sale of digital assets |  |  | 4,707 |
Impairment expense |  |  | 0 |
Ending balance | 13 |  | 13 |
Ethereum |  |  |  |
Indefinite-Lived Intangible Assets [Roll Forward] |  |  |  |
Beginning balance |  |  | 350 |
Received from customers, net of expenses |  |  | (1) |
Exchanges of digital assets |  |  | 557 |
Disposal proceeds |  |  | (1,236) |
Gain on sale of digital assets |  |  | 382 |
Impairment expense |  |  | 0 |
Ending balance | 52 |  | 52 |
Other |  |  |  |
Indefinite-Lived Intangible Assets [Roll Forward] |  |  |  |
Beginning balance |  |  | 327 |
Received from customers, net of expenses |  |  | 65 |
Exchanges of digital assets |  |  | (557) |
Disposal proceeds |  |  | 0 |
Gain on sale of digital assets |  |  | 221 |
Impairment expense |  |  | (50) |
Ending balance | $ 6 |  | $ 6 |

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