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Fair Value Measurements - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairment loss on real estate assets | $ 800,000 | $ 0 | $ 18,800,000 | $ 87,536,000 |
Fair value inputs capitalization rate |  |  |  |  | 6.75%
Impairment of investments in unconsolidated entities | 0 | 0 | 8,500,000 | 0 |
Cash flow discounted rate [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Fair value discount rate |  |  |  |  | 11.00%
Fair Value, Inputs, Level 2 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Debt obligations, fair value | 196,900,000 |  | 196,900,000 |  | $ 235,700,000
Loss on Impairment [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Impairment loss on real estate assets | $ 800,000 | $ 0 | $ 18,800,000 | $ 87,500,000 |

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