Secured Debt, Net - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2023 USD ($) lender	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Interest expense	$ 1,366,956,000	$ 710,904,000	$ 340,223,000
Covenants, minimum tangible net worth	$ 3,600,000,000
Covenants, percentage of recourse indebtedness	0.05
Minimum
Debt Instrument [Line Items]
Covenants, EBITDA to fixed charges, in percent	1.4
Covenants, percentage of tangible assets on cash proceeds from equity issuances	0.75
Covenants, minimum cash liquidity amount	$ 10,000,000.0
Maximum
Debt Instrument [Line Items]
Covenants, percentage of tangible assets on cash proceeds from equity issuances	0.85
Covenants, indebtedness to total assets, in percent	0.8333
Secured credit facilities | Line of Credit
Debt Instrument [Line Items]
New borrowings	$ 113,753,000	3,350,146,000
Collateral	$ 18,594,318,000	19,694,790,000
Number of lenders | lender	15
Remaining borrowing capacity	$ 1,300,000,000
Borrowings	12,697,058,000	13,549,748,000
Secured credit facilities | Line of Credit | New Borrowings
Debt Instrument [Line Items]
New borrowings	112,100,000	4,600,000,000
Collateral	141,900,000	5,900,000,000
Acquisition facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	100,000,000
Borrowings	0	0
Interest expense	722,000	1,200,000
Amortization of deferred fees and expenses	$ 233,000	$ 333,000