Secured Debt, Net - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) lender	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Oct. 01, 2025	Sep. 30, 2025	Apr. 03, 2024 USD ($)
Debt Instrument [Line Items]
Total secured debt	$ 16,000,571,000		$ 16,000,571,000
Interest expense	$ 339,380,000	$ 344,549,000	$ 683,110,000	$ 661,746,000
Line of Credit
Debt Instrument [Line Items]
Covenants, EBITDA to fixed charges, in percent	1.4		1.4
Covenants, minimum tangible net worth	$ 3,600,000,000		$ 3,600,000,000
Covenants, minimum cash liquidity amount	$ 10,000,000.0		$ 10,000,000.0
Covenants, percentage of recourse indebtedness	0.05		0.05
Covenants, indebtedness to total assets, in percent	0.8333		0.8333
Line of Credit | Forecast
Debt Instrument [Line Items]
Covenants, EBITDA to fixed charges, in percent						1.3	1.25
Line of Credit | Minimum
Debt Instrument [Line Items]
Covenants, percentage of tangible assets on cash proceeds from equity issuances			0.75
Line of Credit | Maximum
Debt Instrument [Line Items]
Covenants, percentage of tangible assets on cash proceeds from equity issuances			0.85
Secured debt, net | Line of Credit
Debt Instrument [Line Items]
New borrowings			$ 457,400,000
Collateral	$ 614,600,000		614,600,000
Secured debt, net | Line of Credit | Secured credit facilities
Debt Instrument [Line Items]
New borrowings			457,412,000		$ 112,078,000
Collateral	17,958,345,000		$ 17,958,345,000		18,594,318,000
Number of lenders | lender			15
Remaining borrowing capacity	1,200,000,000		$ 1,200,000,000
Maximum borrowing capacity								$ 100,000,000.0
Total secured debt	12,110,576,000		12,110,576,000		12,697,058,000
Secured debt, net | Line of Credit | Acquisition facility
Debt Instrument [Line Items]
Total secured debt	$ 0		0		0
Interest expense			125,000		722,000
Amortization of deferred fees and expenses			$ 35,000		$ 233,000