Borrowings - GAS-eleven Ltd. facility (Details) - GAS-fourteen Ltd. $ in Thousands	Oct. 16, 2015 USD ($) tranche installment item	Oct. 25, 2016 USD ($)
Borrowings
Debt assumed from acquired entities	$ 143,622
Number of international banks \| item	14
Number of tranches in loan agreement \| tranche	4
Loan agreement amount tranche one	$ 50,544
Loan agreement amount tranche two	25,258
Loan agreement amount tranche three	24,643
Loan agreement amount tranche four	$ 60,252
Number of semi annual installments for first three tranches \| installment	24
Number of semi annual installments for the fourth tranche \| installment	20
Drawn amount		$ 160,697
KEXIM and K-Sure
Borrowings
Percentage of finance coverage	60.00%
GasLog Gibralter first three tranches
Borrowings
Number of years Profile	12 years
GasLog Gibralter fourth tranche
Borrowings
Number of years Profile	20 years

The information pertaining to line of credit facility drawn amount.

No definition available.

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

- Definition

Maximum borrowing capacity under the credit facility tranche four.

+ References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility tranche one.

+ References

No definition available.

+ Details

Name:	glop_LineOfCreditFacilityMaximumBorrowingCapacityTrancheOne
Namespace Prefix:	glop_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility tranche three.

+ References

No definition available.

+ Details

Name:	glop_LineOfCreditFacilityMaximumBorrowingCapacityTrancheThree
Namespace Prefix:	glop_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility tranche one.

+ References

No definition available.

+ Details

Name:	glop_LineOfCreditFacilityMaximumBorrowingCapacityTrancheTwo
Namespace Prefix:	glop_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Information pertains to number of installments repayable in semi annually for first three tranches.

+ References

No definition available.

+ Details

Name:	glop_NumberOfInstallmentsRepayableInSemiAnnuallyForFirstThreeTranches
Namespace Prefix:	glop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Information pertains to number of installments repayable in semi annually for fourth tranche.

+ References

No definition available.

+ Details

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Namespace Prefix:	glop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of international bank with which agreement is entered.

+ References

No definition available.

+ Details

Name:	glop_NumberOfInternationalBanks
Namespace Prefix:	glop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The information pertaining to Number of tranches in loan agreement.

+ References

No definition available.

+ Details

Name:	glop_NumberOfTranchesInLoanAgreement
Namespace Prefix:	glop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Information pertains to the number of years profile.

+ References

No definition available.

+ Details

Name:	glop_NumberOfYearsProfile
Namespace Prefix:	glop_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of finance coverage.

+ References

No definition available.

+ Details

Name:	glop_PercentageOfFinanceCoverage
Namespace Prefix:	glop_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount recognised as of the acquisition date for borrowings assumed in a business combination. [Refer: Borrowings; Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 3
-IssueDate 2017-01-01
-Paragraph B64
-Subparagraph i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B64_i&doctype=Appendix&seq=2
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	ifrs-full_BorrowingsByNameAxis=glop_KoreaAndKoreaTradeInsuranceCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=glop_GaslogGibralterFirstThreeTranchesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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