Amount of assets expected to be disposed of within one year or the normal operating cycle, if longer.

No definition available.

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

- Definition

Sale price of an asset agreed in a Memorandum of Agreement.

+ References

No definition available.

+ Details

Name:	cplp_SalePriceMemorandumAgreement
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents the value of the vessels acquired during the period.

+ References

No definition available.

+ Details

Name:	cplp_VesselsAdditions
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This element represents costs for capitalized improvements of vessels.

+ References

No definition available.

+ Details

Name:	cplp_VesselsImprovements
Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the entity disposed of a business or a group of assets, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228

+ Details

Name:	us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
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_PropertyPlantAndEquipmentByTypeAxis=cplp_MVAthenianMVAthosMVAristomenisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

Vessels, net (Details Narrative) - USD ($) $ in Thousands	1 Months Ended	8 Months Ended	12 Months Ended
Vessels, net (Details Narrative) - USD ($) $ in Thousands	Jan. 31, 2020	Sep. 11, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Impairment of vessel			$ 0	$ 0	$ 28,805
M/V Athenian, M/V Athos and M/V Aristomenis [Member]
Property, Plant and Equipment [Line Items]
Vessels acquisition	$ 162,600
Vessels' Improvements [Member]
Property, Plant and Equipment [Line Items]
Vessel improvement costs capitalized			$ 10,906	$ 19,297
Amore Mio II [Member]
Property, Plant and Equipment [Line Items]
Sale price agreed in Memorandum of Agreement		$ 11,150
Impairment of vessel					28,805
Classification as asset held for sale					$ 10,927
Disposal Date		Oct. 15, 2018