XML 66 R47.htm IDEA: XBRL DOCUMENT
v3.20.1

Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value) (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Deferred compensation plan investments (1) | $ 101.9 | [1] |  | $ 151.8
Participant Withdrawals From Deferred Compensation Plan Investments | 37.1 |  | $ 18.0 |
Level 1 [Member] |  |  |  |
Deferred compensation plan investments (1) | 101.9 | [1] |  | 151.8
Level 2 [Member] |  |  |  |
Deferred compensation plan investments (1) | 0.0 | [1] |  | 0.0
Level 3 [Member] |  |  |  |
Deferred compensation plan investments (1) | $ 0.0 | [1] |  | $ 0.0
[1] | Approximately $37.1 million and $18.0 million of participant cash was withdrawn from our deferred compensation plan investments during the three months ended March 31, 2020 and the year ended December 31, 2019, respectively.

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 Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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: |