Secured Debt Arrangements, Net - Remaining Maturities of Borrowings (Details) - Line of Credit $ in Thousands	Sep. 30, 2025 USD ($)
Line of Credit Facility [Line Items]
Less than 1 year	$ 798,703
1 to 3 years	1,336,936
3 to 5 years	3,769,921
Carrying Value	5,905,560
JPMorgan
Line of Credit Facility [Line Items]
Less than 1 year	319,039
1 to 3 years	198,892
3 to 5 years	1,195,960
Carrying Value	1,713,891
Morgan Stanley Facility \| USD
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	365,256
Carrying Value	365,256
Morgan Stanley Facility \| Fx contracts - GBP
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	299,453
Carrying Value	299,453
DB
Line of Credit Facility [Line Items]
Less than 1 year	27,300
1 to 3 years	0
3 to 5 years	0
Carrying Value	27,300
Goldman \| Fx contracts - GBP
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	440,245
Carrying Value	440,245
CS Facility
Line of Credit Facility [Line Items]
Less than 1 year	93,100
1 to 3 years	405,005
3 to 5 years	0
Carrying Value	498,105
CS Facility \| Fx contracts - GBP
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	281,612
3 to 5 years	0
Carrying Value	281,612
Barclays Facility \| USD
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	29,599
3 to 5 years	445,692
Carrying Value	475,291
Barclays Facility \| Fx contracts - GBP
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	124,282
Carrying Value	124,282
Barclays Securitization
Line of Credit Facility [Line Items]
Less than 1 year	359,264
1 to 3 years	421,828
3 to 5 years	899,033
Carrying Value	1,680,125
Revolving Credit Facility
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	0
Carrying Value	$ 0

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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