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, 2023	Jun. 30, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		172,106,593	168,543,370
Issuance of class A common stock (in shares)	25,875,000	3,613	1,678,420
Issuance of restricted class A common stock, net (in shares)		505,432	436,831
Issuance of deferred stock units (in shares)		34,126	27,455
Ending balance (in shares)		172,649,764	170,686,076
Deferred stock units held by directors (in shares)		339,702	391,027
Common stock, shares issued under dividend reinvestment program (in shares)		3,613	3,420
Restricted Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares forfeited (in shares)		0	4,000
Director | Restricted Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of class A common stock (in shares)		25,482	13,197