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Consolidated Statements of Changes in Partners' Capital (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Limited Partners Common
Distributions declared and paid (adjusted for the March 2019 Reverse Split)	$ 2.24	$ 2.24	$ 3.22
Limited Partners Preferred
Distributions declared and paid (adjusted for the March 2019 Reverse Split)	$ 0.86	$ 0.86	$ 0.86

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- Definition

Refers to the amount of distribution per-unit, declared and paid to limited, class B preferred, general partners and other class of interests.

+ References

No definition available.

+ Details

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Namespace Prefix:	cplp_
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Period Type:	duration

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_PartnerCapitalComponentsAxis=us-gaap_PreferredPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: