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, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||
| Balance at beginning of period | $ 956,329 | $ 1,031,897 | $ 1,006,919 | $ 811,591 |
| Total (gains)/losses (realized/unrealized) | ||||
| Included in earnings | $ (16,000) | $ 6,284 | $ (27,605) | $ 25,992 |
| 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 | $ 0 | $ 235,226 | ||
| Paydowns | $ (24,631) | $ (21,229) | (63,616) | (55,857) |
| Balance at the end of period | $ 915,698 | $ 1,016,952 | $ 915,698 | $ 1,016,952 |