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v3.23.3

Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 30, 2023 $ / shares | Oct. 31, 2023 USD ($) ConvenienceCenter ShoppingCenter | Sep. 30, 2023 $ / shares | Sep. 30, 2022 $ / shares | Sep. 30, 2023 $ / shares | Sep. 30, 2022 $ / shares
Subsequent Event [Line Items] |  |  |  |  |  |
Common share dividends declared per share | $ / shares |  |  | $ 0.13 | $ 0.13 | $ 0.39 | $ 0.39
Subsequent Event [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Acquisition purchase price |  | $ 26.0 |  |  |  |
Disposal group, consideration price |  | 527.3 |  |  |  |
Mortgage finance |  | $ 100.0 |  |  |  |
Common share dividends declared per share | $ / shares | $ 0.13 |  |  |  |  |
Subsequent Event [Member] | Acquisition |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of convenience shopping centers acquired | ConvenienceCenter |  | 2 |  |  |  |
Subsequent Event [Member] | Disposition |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of shopping centers sold | ShoppingCenter |  | 6 |  |  |  |

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