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Financial Instruments (Details)	Jun. 30, 2016	Dec. 31, 2015
Account for more than 10% of the partnership's revenue
Number of customers	4	2

X

- Definition

The number of customers.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_MajorCustomersAxis=cplp_GroupOfCustomersThatAccountForMoreThan10PercentOfRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: