Indebtedness - Schedule of Debt (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions		3 Months Ended
	Feb. 01, 2026	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Debt Instrument [Line Items]
Total debt, net		$ 14,795,345		$ 14,695,571
Unused borrowing capacity		$ 60,200
Common stock, par value (in dollars per share)		$ 0.0001		$ 0.0001
Debt discount amortization		$ 498	$ 634
Recourse debt
Debt Instrument [Line Items]
Total debt, gross		635,387		$ 726,965
Unamortized debt discount		(8,928)		(9,436)
Total debt, net		626,459		717,529
Unused borrowing capacity		0
Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		14,313,716		14,132,262
Total debt, net		14,168,886		13,978,042
Unused borrowing capacity		60,200
Unamortized debt (discount) premium, net
Debt Instrument [Line Items]
Unamortized debt (discount) premium, net		(144,830)		(154,220)
Unused borrowing capacity		$ 0
Line of Credit | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate		3.25%
Line of Credit | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Interest rate		3.75%
Bank Line Of Credit | Recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 152,200		$ 238,323
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		7.20%		7.20%
Line of credit, maximum borrowing capacity				$ 321,400
Bank Line Of Credit | Recourse debt | Federal Funds Rate
Debt Instrument [Line Items]
Interest rate		0.50%
Bank Line Of Credit | Recourse debt | Prime Rate
Debt Instrument [Line Items]
Interest rate		1.00%
Bank Line Of Credit | Recourse debt | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		3.25%
Bank Line Of Credit | Recourse debt | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		3.75%
Convertible Senior Notes Due 2026 | Recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 0		$ 5,457
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		0.00%		0.00%
Contractual interest rate (as percent)		0.00%
Convertible Senior Notes due 2030 | Recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 483,187		$ 483,185
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		4.00%		4.00%
Contractual interest rate (as percent)		4.00%
Senior revolving and delayed draw loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 2,460,600		$ 2,104,000
Unused borrowing capacity		$ 60,200
Weighted average interest rate (as percent)		6.33%		6.51%
Aggregate principal amount		$ 3,100,000
Senior revolving and delayed draw loans | Non-recourse debt | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		2.35%
Senior revolving and delayed draw loans | Non-recourse debt | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		3.10%
Senior non-revolving loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 2,643,590		$ 2,661,578
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		6.11%		6.24%
Senior non-revolving loans | Non-recourse debt | Minimum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		4.66%
Senior non-revolving loans | Non-recourse debt | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		2.10%
Senior non-revolving loans | Non-recourse debt | Maximum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		6.93%
Senior non-revolving loans | Non-recourse debt | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		2.25%
Subordinated revolving and delayed draw loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 258,650		$ 43,900
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		10.76%		12.94%
Subordinated revolving and delayed draw loans | Non-recourse debt | Minimum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		6.75%
Subordinated revolving and delayed draw loans | Non-recourse debt | Maximum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		9.10%
Subordinated Loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 2,984,413		$ 3,285,877
Total debt, net		164,700
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		9.22%		9.39%
Subordinated Loans | Non-recourse debt | Minimum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		7.00%
Subordinated Loans | Non-recourse debt | Minimum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		6.50%
Subordinated Loans | Non-recourse debt | Maximum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		10.75%
Subordinated Loans | Non-recourse debt | Maximum | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Contractual interest rate (as percent)		6.90%
Securitized loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, gross		$ 5,966,463		$ 6,036,907
Unused borrowing capacity		$ 0
Weighted average interest rate (as percent)		5.40%		5.40%
Securitized loans | Non-recourse debt | Minimum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		2.27%
Securitized loans | Non-recourse debt | Maximum
Debt Instrument [Line Items]
Contractual interest rate (as percent)		6.60%
Line of Credit | Recourse debt | Minimum | Base Rate
Debt Instrument [Line Items]
Interest rate		2.25%
Line of Credit | Recourse debt | Maximum | Base Rate
Debt Instrument [Line Items]
Interest rate		2.75%
2022 Credit Agreement, Base Rate Loans | Line of Credit | Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.00%
2022 Credit Agreement, SOFR Rate Loans | Line of Credit | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate		0.00%
2022 Credit Agreement, SOFR Rate Loans | Line of Credit | One Month, Secured Overnight Financing Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.11448%
2022 Credit Agreement, SOFR Rate Loans | Line of Credit | Three Month, Secured Overnight Financing Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.26161%
2022 Credit Agreement, SOFR Rate Loans | Line of Credit | Six Month, Secured Overnight Financing Rate
Debt Instrument [Line Items]
Basis spread on variable rate		0.42826%
Convertible Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Total debt, net		$ 483,200
Interest rate		4.00%
Common stock, par value (in dollars per share)		$ 0.0001
Effective interest rate		0.57%
Debt discount amortization	$ 7,700
Conversion price (in dollars per share)		$ 0.0613704
Convertible Senior Notes | Convertible Debt | Capped Call
Debt Instrument [Line Items]
Payments for capped call transaction		$ 28,000
Capped call price per share (in dollars per share)		$ 117.91
Conversion price (in dollars per share)		$ 157.22
Number of shares covered by capped calls (in shares)		3.4
Convertible Senior Notes | Convertible Debt | Base Rate
Debt Instrument [Line Items]
Effective interest rate		4.51%
Debt discount amortization		$ 4,100
Conversion price (in dollars per share)		$ 16.29
Convertible Senior Notes | Convertible Debt | Base Rate | Capped Call
Debt Instrument [Line Items]
Payments for capped call transaction		$ 38,400
Conversion price (in dollars per share)		$ 22.37
Number of shares covered by capped calls (in shares)		29.7
Fixed Rate Senior Non Revolving Loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, net		$ 1,600,000
Floating Rate Subordinated Loans | Non-recourse debt
Debt Instrument [Line Items]
Total debt, net		$ 346,500