Equity - Schedule of Movement in Outstanding Shares of Class A Common Stock, Restricted Class A Common Stock and Deferred Stock Units (Detail) - shares	1 Months Ended	6 Months Ended
	May 31, 2013	Jun. 30, 2021	Jun. 30, 2020
Equity [Abstract]
Beginning balance		147,086,722	135,263,728
Issuance of class A common stock	25,875,000	949	10,841,667
Issuance of restricted class A common stock, net		234,838	351,333
Issuance of deferred stock units		21,374	21,077
Ending balance		147,343,883	146,477,805