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Note 3 - Weingarten Merger - Pro Forma Information (Details) - Weingarten Realty Investors [Member] - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Revenues from rental properties, net |  | $ 401.4 | $ 366.8 | $ 1,186.4 | $ 1,109.1
Net income | [1] | 561.4 | (21.9) | 854.3 | 797.6
Net income/(loss) available to the Company’s common shareholders |  | $ 553.4 | $ (29.8) | $ 828.3 | $ 775.1
Net income/(loss) available to the Company’s common shareholders per common share: |  |  |  |  |
Basic (1) (in dollars per share) | [1] | $ 0.91 | $ (0.05) | $ 1.35 | $ 1.27
Diluted (1) (in dollars per share) | [1] | $ 0.90 | $ (0.05) | $ 1.34 | $ 1.27
[1] | The pro forma earnings for the three and nine months ended September 30, 2021 were adjusted to exclude $47.0 million and $50.2 million of merger costs, respectively, while the pro forma earnings for the nine months ended September 30, 2020 were adjusted to include $50.2 million of merger costs incurred.

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