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Common Shares (Tables) (2012 ATM Program [Member]) | 3 Months Ended
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Mar. 31, 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 months ended March 31, 2013. There were no shares sold during the three months ended March 31, 2014.
| Three Months Ended March 31,
(in thousands, except per share amounts) | 2013
Total net consideration | $ | 9,365.5 |
Common shares sold | 135.7 |
Average price per share | $ | 70.63 |

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- Definition Activity Under ATM Share Offering Program. + References No definition available. + Details
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