Secured Debt, Net - Schedule of Secured Debt Agreements (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Net book value	$ 17,726,027
Line of Credit
Debt Instrument [Line Items]
Total secured debt	14,051,435	$ 13,549,748
Debt Issuance Costs, Net	(21,949)	(21,584)
Net book value	14,029,486	13,528,164
Secured credit facilities | Line of Credit
Debt Instrument [Line Items]
Total secured debt	14,051,435	13,549,748
Acquisition facility | Line of Credit
Debt Instrument [Line Items]
Total secured debt	$ 0	$ 0