Secured Debt Arrangements, Net - Remaining Maturities of Borrowings (Details) - Line of Credit $ in Thousands	Sep. 30, 2024 USD ($)
Line of Credit Facility [Line Items]
Less than 1 year	$ 1,252,050
1 to 3 years	3,680,358
3 to 5 years	592,417
More than 5 years	0
Total	5,524,825
JPMorgan
Line of Credit Facility [Line Items]
Less than 1 year	197,798
1 to 3 years	634,859
3 to 5 years	0
More than 5 years	0
Total	832,657
DB
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	183,397
3 to 5 years	0
More than 5 years	0
Total	183,397
Goldman \| Fx contracts - GBP
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	0
3 to 5 years	390,163
More than 5 years	0
Total	390,163
CS Facility
Line of Credit Facility [Line Items]
Less than 1 year	105,109
1 to 3 years	517,679
3 to 5 years	0
More than 5 years	0
Total	622,788
HSBC Facility
Line of Credit Facility [Line Items]
Less than 1 year	527,665
1 to 3 years	144,757
3 to 5 years	0
More than 5 years	0
Total	672,422
Barclays Facility
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	353,153
3 to 5 years	0
More than 5 years	0
Total	353,153
MUFG Facility
Line of Credit Facility [Line Items]
Less than 1 year	194,203
1 to 3 years	0
3 to 5 years	0
More than 5 years	0
Total	194,203
Churchill
Line of Credit Facility [Line Items]
Less than 1 year	0
1 to 3 years	122,595
3 to 5 years	0
More than 5 years	0
Total	122,595
Santander Facility \| USD
Line of Credit Facility [Line Items]
Less than 1 year	67,500
1 to 3 years	0
3 to 5 years	0
More than 5 years	0
Total	67,500
Barclays Securitization
Line of Credit Facility [Line Items]
Less than 1 year	122,275
1 to 3 years	1,710,368
3 to 5 years	202,254
More than 5 years	0
Total	2,034,897
Revolving Credit Facility
Line of Credit Facility [Line Items]
Less than 1 year	37,500
1 to 3 years	13,550
3 to 5 years	0
More than 5 years	0
Total	$ 51,050

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