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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2026 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2025
Restricted Cash | $ 24,184 | $ 23,035 |  | $ 24,184 | $ 23,035 | $ 24,058
Intangible Asset, Finite-Lived, Acquired | 0 | 0 |  | 753 | 1,829 |
Intangible Asset, Finite-Lived, Amortization Expense | 1,146 | 1,976 |  | 3,305 | 3,829 |
Intangible Asset, Finite-Lived, Impairment Loss |  |  |  | 6,227 | 1,584 |
Tangible Asset Impairment Charges |  |  |  | 0 | 0 |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense | 63,171 | 57,396 |  | 125,123 | 113,850 |
Long-Lived Asset, Held and Used, Impairment Loss | 6,898 | 8,296 |  | 11,668 | 16,088 |
Unusual or Infrequent Item, or Both, Net of Insurance Proceeds | 553 | 255 |  | 476 | 139 |
Interest Costs Capitalized | 466 | 1,014 |  | 985 | 1,969 |
Real Estate Investment, Development in Process, Net | 67,814 |  |  | 67,814 |  | 60,116
Real Estate Investment, Development in Process, Placed in Service, Net | 182,934 |  |  | 182,934 |  | 67,511
Operating Lease, Right-of-Use Asset | 2,461 |  |  | 2,461 |  | 2,771
Operating Lease, Liability | 2,744 |  |  | 2,744 |  | $ 3,082
Operating Lease, Expense | $ 198 | 117 |  | 394 | 237 |
Income Tax Expense (Benefit) |  |  |  | $ 0 | 0 |
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Other Nonoperating Income (Expense) |  |
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  | Other Nonoperating Income (Expense) |  |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | Other assets |  |  | Other assets |  | Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities |  |  | Other liabilities |  | Other liabilities
Investments in Real Estate Under Development [Member] |  |  |  |  |  |
Interest Costs Capitalized | $ 1,520 | $ 1,587 |  | $ 3,077 | $ 3,147 |
Minimum [Member] | Investments in Unconsolidated Real Estate Entities [Member] | Independence Realty Trust [Member] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 66.60% |  |  | 66.60% |  |
Maximum [Member] |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Year) | 10 years |  |  | 10 years |  |
Maximum [Member] | Investments in Unconsolidated Real Estate Entities [Member] | Independence Realty Trust [Member] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 90.00% |  |  | 90.00% |  |
Building and Building Improvements [Member] |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) | 40 years |  |  | 40 years |  |
Furniture and Fixtures [Member] | Minimum [Member] |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) | 5 years |  |  | 5 years |  |
Furniture and Fixtures [Member] | Maximum [Member] |  |  |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation (Year) | 10 years |  |  | 10 years |  |
Forecast [Member] | Leases, Acquired-in-Place [Member] |  |  |  |  |  |
Intangible Asset, Finite-Lived, Amortization Expense |  |  | $ 418 |  |  |

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