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v3.19.3

Fixed assets - Additional Information (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Property Plant And Equipment |  |
Paid advances relating to the construction of exhaust gas cleaning systems and ballast water treatment systems | $ 2,910 | $ 0
Vessels' Improvements |  |
Property Plant And Equipment |  |
Vessel improvement costs capitalized | $ 165 | $ 257

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- Definition This element represents costs for acquisitions and capitalized improvements of vessels. + References No definition available. + Details
Name: | cplp_VesselsAcquisitionsAndImprovements
Namespace Prefix: | cplp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_ConstructionInProgressGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_VesselsImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |