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Organization, Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2025 Property $ / shares Rate | Dec. 31, 2024 Property $ / shares
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Limited partnership to common stock conversion ratio | 100.00% |
Common shares of beneficial interest, par value | $ / shares | $ 0.001 | $ 0.001
Number of retail properties | 218 | 0
REIT Portfolio |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Number of retail properties | 167 |
Investment Management |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Number of retail properties | 51 |
Maximum |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Ownership interests | Rate | 20.00% |
Minimum |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Ownership interests | Rate | 5.00% |
Operating Partnership, as General Partner or Managing Member |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Remaining funds rate of distribution to operating partnership (in percent) | 20.00% |
Operating Partnership, as General Partner or Managing Member | Acadia's OP Ownership |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Equity interest held by Operating Partnership | 96.00% | 96.00%
Institutional Investors |  |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |  |
Remaining funds rate of distribution to all partners (in percent) | 80.00% |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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