XML 82 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Common Shares (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2012 2010 and 2011 ATM Programs [Member] | Jun. 30, 2013 2012 ATM Program [Member]
Activity Under At-The-Market Share Offering Program | The following table presents activity under our 2011 ATM program for the three and six months ended June 30, 2012 (in thousands, except per share amounts):
| Three Months Ended |  | Six Months Ended
| June 30, 2012 |  | June 30, 2012
Total net consideration | $ | 83,836.3 |  |  | $ | 128,128.0 |
Common shares sold | 1,267.1 |  |  | 1,971.4 |
Average price per share | $ | 67.19 |  |  | $ | 66.01 |
| The following table presents activity under our 2012 ATM program for the three and six months ended June 30, 2013 and 2012 (in thousands, except per share amounts):
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Total net consideration | $ | 30,816.2 |  |  | $ | 84,711.8 |  |  | $ | 40,181.7 |  |  | 84,711.8 |
Common shares sold | 419.3 |  |  | 1,305.5 |  |  | 555.1 |  |  | 1,305.5 |
Average price per share | $ | 74.74 |  |  | $ | 65.93 |  |  | $ | 73.73 |  |  | $ | 65.93 |

X
- Definition Activity Under ATM Share Offering Program. + References No definition available. + Details
Name: | cpt_ActivityUnderAtmShareOfferingProgramTextBlock
Namespace Prefix: | cpt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration