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Contingent Consideration Payable - Payable Balance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Business Combination, Changes in Related Party Payable [Roll Forward] |  |
Related party payable, beginning balance | $ 17,327 | $ 28,840
Payments of related party payable | (6,189) | (12,736)
Fair value adjustments | 3,762 | 1,223
Disposition of the Hospital Products | (14,900) |
Related party payable, ending balance | $ 0 | $ 17,327

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