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Note 3 - Operating Property Activities (Tables) | 3 Months Ended
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Mar. 31, 2018
Notes Tables |
Disposal Groups, Including Discontinued Operations [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2018 |  |  | 2017 |
Aggregate sales price |  | $ | 202.5 |  |  | $ | 57.8 |
Gain on sale of operating properties |  | $ | 50.2 |  |  | $ | 1.7 |
Impairment charges |  | $ | 2.4 |  |  | $ | 1.2 |
Number of operating properties sold |  |  | 19 |  |  |  | 4 |
Number of out-parcels sold |  |  | 1 |  |  |  | 2 |

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