Number of periodic payments of a credit facility.

No definition available.

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Namespace Prefix:	cplp_
Data Type:	xbrli:integerItemType
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Period Type:	duration

- Definition

Purchase option to acquire vessel under a financing arrangement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cplp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of gross cash inflow received in a sale and leaseback transaction accounted for as financing arrangement.

+ References

No definition available.

+ Details

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

- Definition

Sale leaseback term sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	cplp_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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Balance Type:	na
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- 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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
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+ Details

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

- Definition

Date the first payment under the line of credit must be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
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+ Details

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

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payment applied to principal.

+ References

+ Details

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

- Definition

Weighted average interest rate of long-term debt outstanding calculated over time.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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Long-Term Debt - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 27, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Interest expense			$ 15,836	$ 17,422	$ 18,441
Weighted average interest rate			5.70%	5.40%
Repayment of credit facility			$ 32,733	$ 55,283	$ 98,464
2017 Credit Facility
Debt Instrument [Line Items]
Repayment of credit facility			$ 32,733	34,984
Amended 2017 Credit Facility
Debt Instrument [Line Items]
Repayment installments	19
Frequency of payments	quarterly
Repayment amount	$ 7,703
Balloon payment, payable together with the final quarterly installment	$ 139,130
Starting period of payment installments	Apr. 30, 2019
Maturity date	Dec. 31, 2023
Transaction Agreement with DSS Holdings L.P. \| Credit Facility 2015, Credit Facility 2017 and Aristaios Credit Facility
Debt Instrument [Line Items]
Repayment amount		$ 146,517
Transaction Agreement with DSS Holdings L.P. \| 2017 Credit Facility
Debt Instrument [Line Items]
Repayment amount		$ 89,298
In connection with the sale of M/T Aristotelis \| 2017 Credit Facility
Debt Instrument [Line Items]
Repayment of credit facility				14,383
In connection with the sale of M/T Amore Mio II \| 2017 Credit Facility
Debt Instrument [Line Items]
Repayment of credit facility				$ 5,916
CMA CGM Amazon, CMA CGM Uruguay and CMA CGM Magdalena
Debt Instrument [Line Items]
Sale leaseback term sheet date			Dec. 31, 2019
Sale and leaseback transaction gross cash inflow financing arrangement			$ 155,350
Debt instrument term			7 years
Debt variable rate basis			Libor
Margin			2.60%
Purchase option to acquire vessel under a financing arrangement			$ 77,700
CMA CGM Amazon, CMA CGM Uruguay and CMA CGM Magdalena \| 2017 Credit Facility
Debt Instrument [Line Items]
Repayment of credit facility			$ 119,923