Beneficial Interests - Schedule of Beneficial Interest Assets and Liabilities (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Schedule Of Beneficial Interest [Line Items] | |||
| Outstanding principal balance, asset | $ 8,877,344 | $ 7,089,947 | |
| Fair value, asset | 474,796 | 396,216 | |
| Fair value, liability | 3,200 | 5,100 | |
| Derivatives | |||
| Schedule Of Beneficial Interest [Line Items] | |||
| Outstanding principal balance, liability | 1,627,194 | 2,325,305 | |
| Fair value, liability | 3,235 | 5,075 | |
| Hybrid Instruments | |||
| Schedule Of Beneficial Interest [Line Items] | |||
| Outstanding principal balance, asset | 5,204,737 | 4,530,737 | |
| Fair value, asset | 438,009 | 372,402 | |
| Derivatives | |||
| Schedule Of Beneficial Interest [Line Items] | |||
| Outstanding principal balance, asset | 3,672,607 | 2,559,210 | |
| Fair value, asset | 36,787 | $ 23,814 | |
| Beneficial interests | |||
| Schedule Of Beneficial Interest [Line Items] | |||
| Fair value adjustments and realized gains on beneficial interests, net | $ 13,134 | $ 17,665 | |