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Background, Organization, and Summary of Significant Accounting Policies - Summary of Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Movement In Redeemable Noncontrolling Interest [Roll Forward]    
Redeemable noncontrolling interest, beginning balance   $ 84,542
Net income attributable to redeemable noncontrolling interest   5,169
Redemption value adjustment $ 17,600 17,573
Redeemable noncontrolling interest, ending balance $ 107,284 $ 107,284