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Noncontrolling Interests - Summary of Redeemable Noncontrolling Interests (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Noncontrolling Interest [Abstract]  
Balance at December 31, 2019 $ 33,151
Contribution of redeemable noncontrolling interests 20,247
Net income attributable to noncontrolling interests 1,802
Dividend payments to noncontrolling interests (653)
Balance at September 30, 2020 $ 54,547