The number of common partnership units issued.

No definition available.

Name:	cplp_CommonPartnershipUnitsIssued
Namespace Prefix:	cplp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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

Number of vessels that change manager during the period.

+ References

No definition available.

+ Details

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

- Definition

Seller’s credit agreement.

+ References

No definition available.

+ Details

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

- Definition

Related party vessel operating expenses consist of crewing, repairs and maintenance, insurance, stores, spares, lubricants, management fees and miscellaneous expenses.

+ References

No definition available.

+ Details

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

- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

+ Details

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

- Definition

The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586

+ Details

Name:	us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=cplp_CapitalExecutiveCapitalGasAndOrCSMManagersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=cplp_CapitalExecutiveShipManagementCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=cplp_AdministrativeAndServiceAgreementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

Transactions with Related Parties (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Sep. 03, 2021 shares	Jan. 27, 2021	Nov. 30, 2020	Jan. 31, 2020	Aug. 31, 2019
Related Party Transaction [Line Items]
Seller's credit agreement	$ 16,000	$ 0	$ 0
Financing arrangements and credit facility assumed in connection with the acquisition of companies owning vessels	$ 866,344	$ 0	0
Common units issued \| shares	19,776,946	18,623,100
Number of vessels	21
Vessel operating expenses	$ 5,923	$ 4,976	3,917
General and administrative expenses	8,662	7,195	5,502
Capital Executive, Capital Gas and or CSM Managers [Member]
Related Party Transaction [Line Items]
Vessel operating expenses	5,923	4,976	3,917
Capital Executive Ship Management Corp. [Member]
Related Party Transaction [Line Items]
Number of vessels change manager						1		10
M/V Athenian, M/V Athos and M/V Aristomenis [Member]
Related Party Transaction [Line Items]
Number of vessels							3
Administrative And Service Agreements [Member]
Related Party Transaction [Line Items]
General and administrative expenses	1,880	$ 1,880	$ 1,880
LNG/C Aristos I and LNG/C Aristarchos [Member]
Related Party Transaction [Line Items]
Seller's credit agreement	10,000
Financing arrangements and credit facility assumed in connection with the acquisition of companies owning vessels	$ 304,355
Common units issued \| shares	1,153,846			1,153,846
LNG/C Attalos, LNG/C Asklipios, LNG/C Adamastos and LNG/C Aristidis I [Member]
Related Party Transaction [Line Items]
Financing arrangements and credit facility assumed in connection with the acquisition of companies owning vessels	$ 561,989
M/V Long Beach Express,M/V Seattle Express and M/V Fos Express [Member]
Related Party Transaction [Line Items]
Seller's credit agreement	$ 6,000
Number of vessels					3