Secured Debt Arrangements, Net - Weighted Average Maturities and Interest Rates of Borrowings (Parenthetical) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Percentage of secured debt that is recourse debt	34.00%
Line of Credit
Debt Instrument [Line Items]
Maximum amount of borrowings	$ 7,845,046
Line of Credit \| Deutsche Bank Repurchase Facility
Debt Instrument [Line Items]
Maximum amount of borrowings				$ 200,000	$ 700,000
Line of Credit \| Weighted Average
Debt Instrument [Line Items]
Weighted average advance rate	72.91%
Revolving Credit Facility
Debt Instrument [Line Items]
Maximum amount of borrowings		$ 275,000	$ 160,000
Fx contracts - GBP \| Line of Credit
Debt Instrument [Line Items]
Currency conversion rate	1.35
Fx contracts - GBP \| Line of Credit \| Weighted Average
Debt Instrument [Line Items]
Weighted average rate	1.95%
Weighted average advance rate	76.60%
Fx contracts - EUR \| Line of Credit
Debt Instrument [Line Items]
Currency conversion rate	1.17
Fx contracts - EUR \| Line of Credit \| Weighted Average
Debt Instrument [Line Items]
Weighted average rate	2.26%
Weighted average advance rate	70.80%
SEK \| Line of Credit
Debt Instrument [Line Items]
Currency conversion rate	0.11
SEK \| Line of Credit \| Weighted Average
Debt Instrument [Line Items]
Weighted average rate	1.50%
Weighted average advance rate	80.10%
USD \| Line of Credit
Debt Instrument [Line Items]
Maximum amount of borrowings	$ 275,000
USD \| Line of Credit \| JP Morgan Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	2,000,000
USD \| Line of Credit \| Deutsche Bank Repurchase Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	$ 200,000
USD \| Line of Credit \| Weighted Average
Debt Instrument [Line Items]
Weighted average rate	2.05%
Weighted average advance rate	71.00%