Above market acquired charters - Carrying Value (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Acquired Finite Lived Intangible Assets
Carrying amount, beginning of period	$ 75,035
Acquisition	10,041
Amortization	(8,278)	$ (7,744)
Carrying amount, end of period	$ 76,798

The acquisition of the asset arising from the difference between the existing value of the charter assumed at the time of a vessel acquisition and the value of the charter prevailing in the market at this time, for vessels acquired during the period.

No definition available.

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