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Common Shares (Tables) (2012 ATM Program [Member]) | 6 Months Ended
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Jun. 30, 2014
2012 ATM Program [Member] |
Activity Under At-The-Market Share Offering Program | The following table presents activity under our 2012 ATM program for the three and six months ended June 30, 2013. There were no shares sold during the three and six months ended June 30, 2014.
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands, except per share amounts) | 2013 |  | 2013
Total net consideration | $ | 30,816.2 |  |  | $ | 40,181.7 |
Common shares sold | 419.3 |  |  | 555.1 |
Average price per share | $ | 74.74 |  |  | $ | 73.73 |

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- Definition Activity Under ATM Share Offering Program. + References No definition available. + Details
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Period Type: | duration