Secured Debt, Net - Additional Information (Detail)	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($) lender	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Instrument [Line Items]
Interest expense	$ 317,197,000	$ 100,714,000
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	$ 69,524,000		$ 3,350,146,000
Collateral	$ 19,774,538,000		19,694,790,000
Number of lenders | lender	15
Remaining borrowing capacity	$ 1,000,000,000
Borrowings	14,051,435,000		13,549,748,000
Secured credit facilities | Line of Credit | New Borrowings
Debt Instrument [Line Items]
New borrowings	73,900,000
Collateral	92,400,000
Acquisition facility | Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity	100,000,000
Borrowings	0		0
Interest expense	299,000		1,200,000
Amortization of deferred fees and expenses	$ 81,000		$ 333,000