Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Secured Debt Arrangements, Net - Weighted Average Maturities and Interest Rates of Borrowings (Details) $ in Thousands, € in Millions, £ in Millions, kr in Billions	Sep. 30, 2025 USD ($)	Sep. 30, 2025 GBP (£)	Sep. 30, 2025 EUR (€)	Sep. 30, 2025 SEK (kr)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 SEK (kr)
Line of Credit
Debt Instrument [Line Items]
Maximum amount of borrowings	$ 7,504,607				$ 6,936,201
Borrowings outstanding	5,896,015				4,814,973
Less: deferred financing costs	(9,545)				(8,789)
Line of Credit \| JP Morgan Chase, DB Repurchase Facility, Goldman Sachs, Credit Suisse and HSBC Facilities
Debt Instrument [Line Items]
Maximum amount of borrowings	5,549,482				5,188,421
Borrowings outstanding	4,225,435				3,235,982
Line of Credit \| JP Morgan Facility
Debt Instrument [Line Items]
Borrowings outstanding	1,713,891				1,033,504
Line of Credit \| Deutsche Bank Repurchase Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	200,000				700,000
Borrowings outstanding	27,300				123,434
Line of Credit \| Credit Suisse Facility
Debt Instrument [Line Items]
Borrowings outstanding	498,105				462,886
Line of Credit \| HSBC Facility
Debt Instrument [Line Items]
Borrowings outstanding	0				627,646
Line of Credit \| Barclays Facility
Debt Instrument [Line Items]
Borrowings outstanding					321,546
Line of Credit \| MUFG Facility
Debt Instrument [Line Items]
Borrowings outstanding					171,972
Line of Credit \| Barclays Securitization
Debt Instrument [Line Items]
Borrowings outstanding	1,680,125	£ 800.3	€ 335.2	kr 2.0	1,587,779	£ 716.8	€ 493.9	kr 2.0
Line of Credit \| Churchill
Debt Instrument [Line Items]
Borrowings outstanding					121,289
Line of Credit \| JP Morgan Chase, DB Repurchase Facility, Goldman Sachs, Credit Suisse, Barclays Facility, HSBC Facilities And Barclays Securitization
Debt Instrument [Line Items]
Maximum amount of borrowings	7,504,607				6,936,201
Borrowings outstanding	5,905,560				4,823,762
USD \| Morgan Stanley Facility
Debt Instrument [Line Items]
Borrowings outstanding	365,256
USD \| Line of Credit
Debt Instrument [Line Items]
Maximum amount of borrowings	275,000				160,000
Borrowings outstanding	0				0
USD \| Line of Credit \| JP Morgan Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	2,000,000				1,500,000
Borrowings outstanding	1,713,891				1,033,504
USD \| Line of Credit \| Morgan Stanley Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	450,000				0
Borrowings outstanding	365,256				0
USD \| Line of Credit \| Deutsche Bank Repurchase Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	200,000				700,000
Borrowings outstanding	27,300				123,434
USD \| Line of Credit \| Credit Suisse Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	800,000				800,000
Borrowings outstanding	498,105				462,886
USD \| Line of Credit \| Goldman Facility
Debt Instrument [Line Items]
Borrowings outstanding					0
USD \| Line of Credit \| Barclays Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	600,000				500,000
Borrowings outstanding	475,291				321,546
USD \| Line of Credit \| Santander Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	0				300,000
Borrowings outstanding	0				0
USD \| Line of Credit \| Churchill
Debt Instrument [Line Items]
Maximum amount of borrowings	0				130,000
Borrowings outstanding	0				121,289
Fx contracts - GBP \| Morgan Stanley Facility
Debt Instrument [Line Items]
Borrowings outstanding	299,453
Fx contracts - GBP \| Line of Credit \| Morgan Stanley Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	586,700				0
Borrowings outstanding	299,453				0
Fx contracts - GBP \| Line of Credit \| Credit Suisse Facility
Debt Instrument [Line Items]
Borrowings outstanding	281,612
Fx contracts - GBP \| Line of Credit \| HSBC Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	0				377,483
Borrowings outstanding	0				377,483
Fx contracts - GBP \| Line of Credit \| Goldman Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	464,062				458,804
Borrowings outstanding	440,245				373,706
Fx contracts - GBP \| Line of Credit \| Barclays Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	167,109				0
Borrowings outstanding	124,282				0
Fx contracts - GBP \| Line of Credit \| MUFG Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	0				171,972
Borrowings outstanding	0				171,972
Fx contracts - EUR \| Line of Credit \| Credit Suisse Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	281,611
Borrowings outstanding	281,612
Fx contracts - EUR \| Line of Credit \| HSBC Facility
Debt Instrument [Line Items]
Maximum amount of borrowings	0				250,162
Borrowings outstanding	0				250,162
Fx contracts - EUR \| Line of Credit \| Santander Facility
Debt Instrument [Line Items]
Borrowings outstanding					0
VIE \| Line of Credit \| Barclays Securitization
Debt Instrument [Line Items]
Maximum amount of borrowings	1,680,125				1,587,780
Borrowings outstanding	1,680,125				1,587,780
VIE \| Line of Credit \| Barclays Securitization \| Weighted Average
Debt Instrument [Line Items]
Borrowings outstanding	1,680,125				1,587,780
VIE \| Fx contracts - GBP \| Line of Credit \| Barclays Securitization \| Weighted Average
Debt Instrument [Line Items]
Borrowings outstanding	1,076,127				897,199
VIE \| Fx contracts - EUR \| Line of Credit \| Barclays Securitization \| Weighted Average
Debt Instrument [Line Items]
Borrowings outstanding	393,318				511,387
VIE \| SEK \| Line of Credit \| Barclays Securitization \| Weighted Average
Debt Instrument [Line Items]
Borrowings outstanding	$ 210,680				$ 179,194