Secured Debt, Net - Schedule of Secured Debt Agreements (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total secured debt	$ 14,931,693
Secured debt, net | Line of Credit
Debt Instrument [Line Items]
Deferred financing costs	(11,067)	$ (13,963)
Net book value	11,001,491	12,683,095
Secured debt, net | Line of Credit | Secured credit facilities
Debt Instrument [Line Items]
Total secured debt	$ 11,012,558	$ 12,697,058