Fair Value of Financial Instruments - Schedule of Valuation for Level 3 Liabilities (Details) - Consolidated SLST - VIE, Primary Beneficiary - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||
| Balance at beginning of period | $ 1,031,897 | $ 844,032 | $ 811,591 | $ 593,737 |
| Total losses/(gains) (realized/unrealized) | ||||
| Included in earnings | $ 6,284 | $ 20,638 | $ 25,992 | $ 20,498 |
| Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag | Included in earnings | Included in earnings | Included in earnings | Included in earnings |
| Acquisitions | $ 235,226 | $ 275,200 | ||
| Paydowns | $ (21,229) | $ (18,859) | (55,857) | (43,624) |
| Balance at the end of period | $ 1,016,952 | $ 845,811 | $ 1,016,952 | $ 845,811 |