XML 79 R64.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Current Fiscal Year End Date | --12-31 |  |  |
Deferred compensation plan investments | $ 80,600 | [1] | $ 53,600 |
Participant Withdrawals From Deferred Compensation Plan Investments | 8,300 |  | 8,400 |
Diversification of share awards within deferred compensation plan (Equity) | 25,428 |  | 3,557 | $ 4,669
Level 1 [Member] |  |  |  |
Deferred compensation plan investments | 80,600 |  | 53,600 |
Level 2 [Member] |  |  |  |
Deferred compensation plan investments | 0 |  | 0 |
Level 3 [Member] |  |  |  |
Deferred compensation plan investments | $ 0 |  | $ 0 |
[1] | Approximately $8.3 million and $8.4 million of participant cash was withdrawn from our deferred compensation plan investments during the years ended December 31, 2016 and 2015, respectively. Approximately $25.4 million and $3.6 million of shares in the compensation plan were diversified into the deferred compensation plan investments during the nine months ended December 31, 2016 and the year ended December 31, 2015, respectively.

X
- Definition Non-qualified share awards diversified into other equity securities during the period. + References No definition available. + Details
Name: | cpt_DiversificationofshareawardswithindeferredcompensationplanEquity
Namespace Prefix: | cpt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Participant withdrawals from deferred compensation plan investments + References No definition available. + Details
Name: | cpt_ParticipantWithdrawalsFromDeferredCompensationPlanInvestments
Namespace Prefix: | cpt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition End date of current fiscal year in the format --MM-DD. + References No definition available. + Details
Name: | dei_CurrentFiscalYearEndDate
Namespace Prefix: | dei_
Data Type: | xbrli:gMonthDayItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DeferredCompensationPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |