Secured Debt, Net - Schedule of Secured Debt Agreements (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Deferred financing costs	$ (6,300)
Net book value	15,072,050
Line of Credit
Debt Instrument [Line Items]
Total secured debt	12,299,580	$ 7,896,863
Deferred financing costs	(19,538)	(16,327)
Net book value	12,280,042	7,880,536
Secured credit facilities | Line of Credit
Debt Instrument [Line Items]
Total secured debt	12,299,580	7,896,863
Acquisition facility | Line of Credit
Debt Instrument [Line Items]
Total secured debt	$ 0	$ 0