| Equity Method Investments [Table Text Block] |
| | | Dutch Real Estate Entities | | | SPAC Sponsor Entities and Other | | | Total | |
| January 1, 2025 | | $ | 5,105 | | | $ | 18,325 | | | $ | 23,430 | |
| Investments / advances | | | - | | | | - | | | | - | |
| Distributions / repayments | | | - | | | | (1,308 | ) | | | (1,308 | ) |
| Reclasses to (from) | | | - | | | | (113 | ) | | | (113 | ) |
| Earnings / (loss) recognized | | | 316 | | | | 2,102 | | | | 2,418 | |
| March 31, 2025 | | $ | 5,421 | | | $ | 19,006 | | | $ | 24,427 | |
| | | Dutch Real Estate Entities | | | SPAC Sponsor Entities and Other | | | Total | |
| January 1, 2024 | | $ | 5,864 | | | $ | 8,377 | | | $ | 14,241 | |
| Investments / advances | | | - | | | | - | | | | - | |
| Distributions / repayments | | | - | | | | (5 | ) | | | (5 | ) |
| Reclasses to (from) | | | - | | | | - | | | | - | |
| Earnings / (loss) recognized | | | (116 | ) | | | 29,161 | | | | 29,045 | |
| March 31, 2024 | | $ | 5,748 | | | $ | 37,533 | | | $ | 43,281 | |
| | | March 31, 2025 | | | December 31, 2024 |
| Total Assets | | $ | 557,826 | | | $ | 620,512 |
| | | | | | | | |
| Liabilities | | $ | 272,095 | | | $ | 317,160 |
| Equity allocable to the controlling interest | | | 285,606 | | | | 303,227 |
| Noncontrolling interest | | | 125 | | | | 125 |
| Total Equity | | | 285,731 | | | | 303,352 |
| Total Liabilities & Equity | | $ | 557,826 | | | $ | 620,512 |
| | | | | | | | |
| | | Three months ending |
| | | March 31, | | | March 31, |
| | | 2025 | | | 2024 |
| | | | | | | | |
| Net income/(loss) | | $ | 3,089 | | | $ | 37,684 |
| Net income/(loss) attributable to the investee | | $ | 3,089 | | | $ | 37,684 |
|