Borrowings - Schedule of Outstanding Debt Obligations (Details) - USD ($) |
12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Nov. 26, 2025 |
Dec. 20, 2024 |
Apr. 18, 2024 |
Apr. 08, 2024 |
Apr. 07, 2024 |
Mar. 21, 2024 |
Sep. 08, 2023 |
Sep. 07, 2023 |
Dec. 16, 2022 |
Dec. 15, 2022 |
|
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 3,905,000,000 | $ 2,637,043,000 | ||||||||||
| Outstanding principal | 3,251,000,000 | 2,232,043,000 | ||||||||||
| Carrying value | 3,208,605,000 | 2,202,915,000 | ||||||||||
| Unused portion | 654,000,000 | 405,000,000 | ||||||||||
| SPV I Facility | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | 550,000,000 | 550,000,000 | $ 550,000,000 | $ 485,000,000 | $ 485,000,000 | $ 400,000,000 | ||||||
| Outstanding principal | 474,000,000 | 503,000,000 | ||||||||||
| Carrying value | 466,964,000 | 496,667,000 | ||||||||||
| Unused portion | $ 76,000,000 | $ 47,000,000 | ||||||||||
| Maturity date | Oct. 30, 2030 | Apr. 08, 2029 | ||||||||||
| SPV II Facility | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 795,000,000 | $ 595,000,000 | $ 795,000,000 | $ 595,000,000 | $ 495,000,000 | $ 445,000,000 | $ 370,000,000 | |||||
| Outstanding principal | 727,000,000 | 537,000,000 | ||||||||||
| Carrying value | 716,705,000 | 531,322,000 | ||||||||||
| Unused portion | $ 68,000,000 | $ 58,000,000 | ||||||||||
| Maturity date | Sep. 18, 2030 | Aug. 15, 2028 | ||||||||||
| Collateralized loan obligations | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 390,000,000 | $ 390,000,000 | ||||||||||
| Outstanding principal | 390,000,000 | 390,000,000 | ||||||||||
| Carrying value | $ 387,006,000 | $ 386,697,000 | ||||||||||
| Maturity date | Oct. 15, 2035 | Oct. 15, 2035 | ||||||||||
| Revolving Credit Facility | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 670,000,000 | $ 450,000,000 | $ 450,000,000 | |||||||||
| Outstanding principal | 160,000,000 | 150,000,000 | ||||||||||
| Carrying value | 154,792,000 | 144,890,000 | ||||||||||
| Unused portion | $ 510,000,000 | $ 300,000,000 | ||||||||||
| Maturity date | Nov. 19, 2029 | Nov. 19, 2029 | ||||||||||
| 2030 Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 500,000,000 | |||||||||||
| Outstanding principal | 500,000,000 | |||||||||||
| Carrying value | $ 497,343,000 | |||||||||||
| Maturity date | May 31, 2030 | |||||||||||
| 2031 Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 400,000,000 | |||||||||||
| Outstanding principal | 400,000,000 | |||||||||||
| Carrying value | $ 388,406,000 | |||||||||||
| Maturity date | Feb. 05, 2031 | |||||||||||
| Loan Repurchase Obligations | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 52,043,000 | |||||||||||
| Outstanding principal | 52,043,000 | |||||||||||
| Carrying value | $ 52,043,000 | |||||||||||
| Maturity date | Feb. 21, 2025 | |||||||||||
| Series A Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 69,000,000 | $ 69,000,000 | ||||||||||
| Outstanding principal | 69,000,000 | 69,000,000 | ||||||||||
| Carrying value | $ 68,464,000 | $ 68,128,000 | ||||||||||
| Maturity date | Aug. 07, 2027 | Aug. 07, 2027 | ||||||||||
| Series B Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 75,000,000 | $ 75,000,000 | ||||||||||
| Outstanding principal | 75,000,000 | 75,000,000 | ||||||||||
| Carrying value | $ 74,417,000 | $ 74,052,000 | ||||||||||
| Maturity date | Aug. 07, 2027 | Aug. 07, 2027 | ||||||||||
| Series C Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 116,000,000 | $ 116,000,000 | ||||||||||
| Outstanding principal | 116,000,000 | 116,000,000 | ||||||||||
| Carrying value | $ 114,782,000 | $ 114,444,000 | ||||||||||
| Maturity date | Aug. 07, 2029 | Aug. 07, 2029 | ||||||||||
| Series D Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 75,000,000 | $ 75,000,000 | ||||||||||
| Outstanding principal | 75,000,000 | 75,000,000 | ||||||||||
| Carrying value | $ 74,213,000 | $ 73,994,000 | ||||||||||
| Maturity date | Aug. 07, 2029 | Aug. 07, 2029 | ||||||||||
| Series E Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 50,000,000 | $ 50,000,000 | ||||||||||
| Outstanding principal | 50,000,000 | 50,000,000 | ||||||||||
| Carrying value | $ 49,539,000 | $ 49,356,000 | ||||||||||
| Maturity date | May 20, 2028 | May 20, 2028 | ||||||||||
| Series F Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 165,000,000 | $ 165,000,000 | ||||||||||
| Outstanding principal | 165,000,000 | 165,000,000 | ||||||||||
| Carrying value | $ 166,513,000 | $ 161,978,000 | ||||||||||
| Maturity date | May 20, 2030 | May 20, 2030 | ||||||||||
| Series G Notes | ||||||||||||
| Debt Instrument [Line Items] | ||||||||||||
| Aggregate principal committed | $ 50,000,000 | $ 50,000,000 | ||||||||||
| Outstanding principal | 50,000,000 | 50,000,000 | ||||||||||
| Carrying value | $ 49,461,000 | $ 49,344,000 | ||||||||||
| Maturity date | May 20, 2030 | May 20, 2030 | ||||||||||