Date of acquisition.

No definition available.

Name:	cplp_AcquisitionsDateOfTransactionForAcquisitions
Namespace Prefix:	cplp_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

This element represents advances to a related party for vessels under construction or the excess between the fair value and the contractual cash consideration for these vessels, or both.

+ References

No definition available.

+ Details

Name:	cplp_AdvancesForVesselsUnderConstruction
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total cost of the entities that will be acquired.

+ References

No definition available.

+ Details

Name:	cplp_BusinessAcquisitionContractedPrice
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Cash consideration for the acquisition of a vessel.

+ References

No definition available.

+ Details

Name:	cplp_BusinessAcquisitionCostAcquiredEntityCashPaid
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of available cash paid to acquire the entity.

+ References

No definition available.

+ Details

Name:	cplp_BusinessAcquisitionCostOfAcquiredEntityAvailableCashPaid
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The fair value of the vessel at the time of the acquisition.

+ References

No definition available.

+ Details

Name:	cplp_BusinessAcquisitionVesselsFairValue
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The fair value of the vessels under construction at the time of the agreement to acquire the vessels.

+ References

No definition available.

+ Details

Name:	cplp_BusinessAcquisitionVesselsUnderConstructionFairValue
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This value represents the excess between the fair value of the contracted vessels and the contractual cash consideration.

+ References

No definition available.

+ Details

Name:	cplp_BusinessCombinationExcessAcquisitionCostRecognizedAmount
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The vessels' capacity in twenty-foot equivalent unit (TEU).

+ References

No definition available.

+ Details

Name:	cplp_ContainershipCapacity
Namespace Prefix:	cplp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of vessels owned and/ or to be acquired by the partnership.

+ References

No definition available.

+ Details

Name:	cplp_NumberOfVessels
Namespace Prefix:	cplp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The vessels' size in deadweight ton (DWT).

+ References

No definition available.

+ Details

Name:	cplp_VesselSize
Namespace Prefix:	cplp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- 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

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=cplp_SeniorSecuredCreditFacility225000Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MasterAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MasterAgreementProductCarriersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MasterAgreementPostPanamaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_ActiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_AkadimosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_AmadeusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_AdonisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MTActiveMVAkadimosMTAmadeusMVAdonisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MTAgisilaosMTAvaxMTAkeraiosMTApostolosMVArchimidisMVAgamemnonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=cplp_MTAyrtonIIMTAmoreMioIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=cplp_NumberOfVesselsAcquiredOutOfTotalAgreedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=cplp_RightsOfFirstRefusalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fixed assets - Additional Information (Details) $ in Thousands	7 Months Ended	8 Months Ended	12 Months Ended
	Jul. 24, 2014 USD ($)	Aug. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Sep. 30, 2015	Sep. 10, 2014 USD ($)
Property Plant And Equipment
Number of vessels			34
Advances for vessels under construction - related party			$ 18,172	$ 66,641
Excess between the fair value of the contracted vessels and the contractual cash consideration			0	36,417	$ 0
2013 Credit Facility
Property Plant And Equipment
Line of credit facility amount drawn down			$ 115,000
Master Agreement
Property Plant And Equipment
Number of vessels	5		5
Fair value of vessels under construction acquired		$ 347,917
Advances for vessels under construction - related party			$ 7,921				$ 30,224
Excess between the fair value of the contracted vessels and the contractual cash consideration		$ 36,417	$ 10,251
Contracted price	$ 311,500
Master Agreement Product Carriers
Property Plant And Equipment
Number of vessels	2
DWT	50,000
Master Agreement Post Panamax Container Carriers
Property Plant And Equipment
Number of vessels	3
TEU	9,100
M/T Active
Property Plant And Equipment
Date of vessel acquisition			Mar. 31, 2015
DWT			50,136
M/V Akadimos (renamed to "CMA CGM Amazon")
Property Plant And Equipment
Date of vessel acquisition			Jun. 10, 2015
DWT			115,145
M/T Amadeus
Property Plant And Equipment
Date of vessel acquisition			Jun. 30, 2015
DWT			50,108
M/V Adonis (CMA CGM Uruguay)
Property Plant And Equipment
Date of vessel acquisition			Sep. 18, 2015
DWT			115,639
M/T Active, M/V Akadimos (renamed to "CMA CGM Amazon"), MT Amadeus and M/V Adonis (renamed to ''CMA CGM Uruguay''
Property Plant And Equipment
Cash consideration for acquisition of vessel			$ 230,000
Amount of available cash paid for acquisition of vessel			115,000
Fair value of vessels acquired			256,166
Advances for vessels under construction - related party				22,303
Excess between the fair value of the contracted vessels and the contractual cash consideration				26,166
M/T Active, M/V Akadimos (renamed to "CMA CGM Amazon"), MT Amadeus and M/V Adonis (renamed to ''CMA CGM Uruguay'' \| 2013 Credit Facility
Property Plant And Equipment
Line of credit facility amount drawn down			115,000
M/T Agisilaos, M/T Avax, M/T Akeraios, M/T Apostolos, M/V Archimidis and M/V Agamemnon
Property Plant And Equipment
Vessel improvement costs capitalized			$ 826
M/T Ayrton II and M/T Amore Mio II
Property Plant And Equipment
Vessel improvement costs capitalized				$ 183
Number of vessels acquired out of the total agreed \| Master Agreement
Property Plant And Equipment
Number of vessels			4
Rights Of First Refusal \| Master Agreement
Property Plant And Equipment
Number of vessels	6					2