Intangibles Assets - Schedule of Deferred Leasing Costs, Other Intangible Assets and Intangible Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Intangible Asset, Finite-Lived, Acquired [Line Items] | ||
| Carrying Amount | $ 198,275 | $ 199,997 |
| Accumulated Amortization | (159,597) | (151,602) |
| Total | 38,678 | 48,395 |
| Investment management contracts | ||
| Intangible Asset, Finite-Lived, Acquired [Line Items] | ||
| Carrying Amount | 138,232 | 139,682 |
| Accumulated Amortization | (122,280) | (117,342) |
| Total | 15,952 | 22,340 |
| Investor relationships | ||
| Intangible Asset, Finite-Lived, Acquired [Line Items] | ||
| Carrying Amount | 54,225 | 54,497 |
| Accumulated Amortization | (33,400) | (30,634) |
| Total | 20,825 | 23,863 |
| Trade name | ||
| Intangible Asset, Finite-Lived, Acquired [Line Items] | ||
| Carrying Amount | 4,300 | 4,300 |
| Accumulated Amortization | (2,984) | (2,769) |
| Total | 1,316 | 1,531 |
| Other | ||
| Intangible Asset, Finite-Lived, Acquired [Line Items] | ||
| Carrying Amount | 1,518 | 1,518 |
| Accumulated Amortization | (933) | (857) |
| Total | $ 585 | $ 661 |