Secured Debt, Net - Schedule of Secured Debt Agreements (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Net book value	$ 16,237,574
Line of Credit
Debt Instrument [Line Items]
Total secured debt	12,403,449	$ 12,697,058
Deferred financing costs	(16,160)	(13,963)
Net book value	12,387,289	12,683,095
Secured credit facilities | Line of Credit
Debt Instrument [Line Items]
Total secured debt	12,403,449	12,697,058
Acquisition facility | Line of Credit
Debt Instrument [Line Items]
Total secured debt	$ 0	$ 0