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Fair Value of Financial Assets and Liabilities - Changes in Level 3 Securities (Details) $ in Thousands | 9 Months Ended
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Sep. 30, 2022 USD ($)
Fair Value of Financial Assets |
Initial recording of RareStone equity | $ 1,590
Level 3 |
Fair Value of Financial Assets |
Initial recording of RareStone equity | 1,040
Change in fair value of embedded derivative | $ (1,040)

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