XML 62 R48.htm IDEA: XBRL DOCUMENT
v3.20.4

Acquisitions, Dispositions, Impairment, and Discontinued Operations (Narrative) (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 24, 2020 USD ($) a | Mar. 09, 2020 USD ($) | Mar. 03, 2020 USD ($) a | Jan. 13, 2020 USD ($) a | Dec. 19, 2019 USD ($) a | Dec. 05, 2019 USD ($) | May 29, 2019 USD ($) a | May 01, 2019 USD ($) | Apr. 01, 2019 USD ($) a | Sep. 24, 2018 USD ($) a | Apr. 12, 2018 USD ($) a | Feb. 15, 2018 USD ($) | Jan. 11, 2018 USD ($) | Feb. 28, 2019 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 12, 2019
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Gain on sale of operating properties, including land |  | $ 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 382,000 | $ 49,901,000 | $ 0 |
Payments to Acquire Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | $ 436,305,000 | $ 290,005,000 |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  | 4.7 |  |  |  |  |  |  | 14.1 |  |  |  |  |  |  |  |  |
Proceeds from Sale of Land Held-for-investment |  |  | $ 800,000 |  |  |  |  |  |  | $ 11,500,000 |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  | 3
Camden Carolinian [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  | 186 |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  | $ 75,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Camden Highland Village [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  | 552 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  | $ 147,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Camden Rainey Street [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  | 326 |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  |  |  | $ 120,400,000 |  |  |  |  |  |  |  |  |  |  |
Camden Old Town Scottsdale [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  |  |  |  | 316 |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 97,100,000 |  |  |  |  |
Camden North Quarter [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  |  | 333 |  |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  |  |  |  |  |  |  | $ 81,400,000 |  |  |  |  |  |  |
Camden Thornton Park [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  | 299 |  |  |  |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  |  |  |  |  | $ 89,800,000 |  |  |  |  |  |  |  |  |
Camden Pier District [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Operating properties Acquired |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  |  |  | 358 |  |  |  |  |  |
Payments to Acquire Real Estate |  |  |  |  |  |  |  |  |  |  |  |  | $ 126,900,000 |  |  |  |  |  |
Camden South Bay [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of operating properties, including land |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,200,000 |  |  |
Number of Real Estate Properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 270
Proceeds from Sale of Property, Plant, and Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 38,500,000 |  |  |  |
Camden Highland Village Land [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  | 2.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of land acquired |  |  |  |  | $ 8,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  | 300 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Camden Hayden II [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  | 11.6 |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of land acquired |  |  |  |  |  |  | $ 18,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  | 397 |  |  |  |  |  |  |  |  |  |  |  |
Camden NoDa [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  |  |  | 4.3 |  |  |  |  |  |  |  |  |  |
Purchase price of land acquired |  |  |  |  |  |  |  |  | $ 10,900,000 |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  | 387 |  |  |  |  |  |  |  |  |  |
Camden Lake Eola [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  |  |  |  |  |  | 1.8 |  |  |  |  |  |  |  |
Purchase price of land acquired |  |  |  |  |  |  |  |  |  |  | $ 11,400,000 |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  | 360 |  |  |  |  |  |  |  |
CamdenCopperRidge1 [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 632
Proceeds from Sale of Property, Plant, and Equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 69,400,000 |  |
Cameron Village [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  | 4.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of land acquired |  |  |  | $ 18,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property |  |  |  | 355 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Camden Durham |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a | 4.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of land acquired | $ 27,600,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Units in Real Estate Property | 354 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Number of operating properties acquired which are now fully consolidated during the period. + References No definition available. + Details
Name: | cpt_NumberofOperatingpropertiesAcquired
Namespace Prefix: | cpt_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of land held. + References No definition available. + Details
Name: | us-gaap_AreaOfLand
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfLandHeldforinvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenCarolinianMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenHighlandVillageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenRaineyStreetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenOldTownScottsdaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenNorthQuarterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenThorntonParkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenPierDistrictMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenSouthBayMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenHighlandVillageLandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenHaydenIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenNoDaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenLakeEolaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenCopperRidge1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CameronVillageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cpt_CamdenDurhamMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |