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Fair Value Measurements (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2022 | Dec. 31, 2021
Fair Value Measurements (Details) [Line Items] |  |  |
Net change in unrealized gain (loss) |  | $ 2.3 | $ (10.3)
Investment transferred in/out, description |  | Reclassifications impacting Level 3 of the fair value hierarchy are reported as transfers in/out of the Level 3 category as of the beginning of the quarter in which the reclassifications occur. During the three months ended December 31, 2022, no investments were transferred out of Level 3 and one investment was transferred into Level 3. During the three months ended December 31, 2021, one of our investments transferred out of Level 3 and no investments transferred into Level 3. |
Membership interest percentage | 5.00% |  |
Aggregate fair value | $ 2.4 |  |
Lydell Jewelry Design Studio, LLC [Member] |  |  |
Fair Value Measurements (Details) [Line Items] |  |  |
Membership interest percentage | 3.80% |  |

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