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Fair Value Measurements - Level 3 Redeemable Noncontrolling Interests (Details) - Redeemable Noncontrolling Interests
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Changes in fair value of the Company’s Level 3 redeemable noncontrolling interests  
Balance at December 31, 2020 $ 12,500
Fair value adjustment 336
Net loss attributable to redeemable noncontrolling interests (336)
Balance at March 31, 2021 $ 12,500