| Equity Method Investments [Table Text Block] |
| | | Dutch Real Estate Entities | | | Columbus Circle SPAC | | | SPAC Sponsor Entities and Other | | | Total | |
| December 31, 2022 | | $ | 5,530 | | | $ | - | | | $ | 3,399 | | | $ | 8,929 | |
| Investments / advances | | | - | | | | - | | | | 1,896 | | | | 1,896 | |
| Distributions / repayments | | | - | | | | - | | | | (2,091 | ) | | | (2,091 | ) |
| Reclasses to (from) | | | - | | | | - | | | | (10,102 | ) | | | (10,102 | ) |
| Earnings / (loss) realized | | | 334 | | | | - | | | | 15,275 | | | | 15,609 | |
| December 31, 2023 | | | 5,864 | | | | - | | | | 8,377 | | | | 14,241 | |
| Investments / advances | | | - | | | | - | | | | 236 | | | | 236 | |
| Distributions / repayments | | | - | | | | - | | | | (1,026 | ) | | | (1,026 | ) |
| Reclasses to (from) | | | - | | | | - | | | | (11,725 | ) | | | (11,725 | ) |
| Earnings / (loss) realized | | | (759 | ) | | | - | | | | 22,463 | | | | 21,704 | |
| December 31, 2024 | | | 5,105 | | | | - | | | | 18,325 | | | | 23,430 | |
| Investments / advances | | | - | | | | 3,467 | | | | - | | | | 3,467 | |
| Distributions / repayments | | | - | | | | - | | | | (1,587 | ) | | | (1,587 | ) |
| Reclasses to (from) | | | - | | | | - | | | | (1,886 | ) | | | (1,886 | ) |
| Earnings / (loss) realized | | | 634 | | | | (3,467 | ) | | | (13,930 | ) | | | (16,763 | ) |
| December 31, 2025 | | $ | 5,739 | | | $ | - | | | $ | 922 | | | $ | 6,661 | |
| | | December 31, 2025 | | | December 31, 2024 | |
| Total Assets | | $ | 494,662 | | | $ | 620,512 | |
| | | | | | | | | |
| | | | | | | | | |
| Liabilities | | $ | 194,512 | | | $ | 317,160 | |
| Equity allocable to the controlling interest | | | 300,025 | | | | 303,227 | |
| Noncontrolling interest | | | 125 | | | | 125 | |
| Total Equity | | | 300,150 | | | | 303,352 | |
| Total Liabilities & Equity | | $ | 494,662 | | | $ | 620,512 | |
| | | Year Ended December 31, | |
| | | 2025 | | | 2024 | | | 2023 | |
| | | | | | | | | | | | | |
| Net income/(loss) | | $ | (13,826 | ) | | $ | 19,618 | | | $ | 17,858 | |
| Net income/(loss) attributable to the investee | | $ | (13,841 | ) | | $ | 19,603 | | | $ | 17,843 | |
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