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Noncontrolling Interests - Summary of Redeemable Noncontrolling Interests (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Noncontrolling Interest [Abstract]    
Beginning Balance $ 55,315  
Contribution of redeemable noncontrolling interests 3,999  
Net income attributable to noncontrolling interests 3,686  
Dividend payments to noncontrolling interests (926) $ (653)
Ending Balance $ 62,074