Note 10 - Impairment of Long-lived Assets (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Loss on impairment of Long-Lived Assets | $ 0 | $ 0 | $ 0 | $ 33,780 |
| Residential Property At 10 West 65th Street [Member] | ||||
| Loss on impairment of Long-Lived Assets | 33,780 | |||
| Disposal Group, Including Discontinued Operation, Consideration | $ 45,500 | $ 45,500 | ||