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Investments - Investments in Equity Securities (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 14, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Equity Securities |  |  |  |
Beginning balance |  | $ 77,800 | $ 73,600 |
New investments |  | 9,400 | 45,200 |
Reclassification due to acquisition of investee |  | 500 | (7,600) |
Reclassification from investments in equity securities to equity method investments |  |  | (36,800) |
(Decrease) increase in fair value of investments in equity securities |  | 13,100 | 3,200 |
Realized gain on investment in equity securities | $ 2,600 | 0 | 2,600 | $ 0
Foreign currency translation adjustments and other |  | (3,800) | (2,400) |
Ending balance |  | 96,500 | 77,800 | 73,600
Investment in Equity Securities Level 1 |  |  |  |
Equity Securities |  |  |  |
Beginning balance |  | 31,300 | 53,800 |
New investments |  | 0 | 0 |
Reclassification due to acquisition of investee |  |  | 0 |
Reclassification from investments in equity securities to equity method investments |  |  | 0 |
(Decrease) increase in fair value of investments in equity securities |  | (11,800) | (19,700) |
Realized gain on investment in equity securities |  |  | 0 |
Foreign currency translation adjustments and other |  | (2,300) | (2,800) |
Ending balance |  | 17,200 | 31,300 | 53,800
Investment in Equity Securities, Level 2 |  |  |  |
Equity Securities |  |  |  |
Beginning balance |  | 6,200 | 4,100 |
New investments |  | 0 | 0 |
Reclassification due to acquisition of investee |  |  | 0 |
Reclassification from investments in equity securities to equity method investments |  |  | 0 |
(Decrease) increase in fair value of investments in equity securities |  | 1,600 | 2,200 |
Realized gain on investment in equity securities |  |  | 0 |
Foreign currency translation adjustments and other |  | 0 | (100) |
Ending balance |  | 7,800 | 6,200 | 4,100
Investments in Equity Securities, All Others |  |  |  |
Equity Securities |  |  |  |
Beginning balance |  | 40,300 | 15,700 |
New investments |  | 9,400 | 45,200 |
Reclassification due to acquisition of investee |  |  | (7,600) |
Reclassification from investments in equity securities to equity method investments |  |  | (36,800) |
(Decrease) increase in fair value of investments in equity securities |  | 23,300 | 20,700 |
Realized gain on investment in equity securities |  |  | 2,600 |
Foreign currency translation adjustments and other |  | (1,500) | 500 |
Ending balance |  | $ 71,500 | $ 40,300 | $ 15,700

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