Name:	glp_DistributionMadeToMemberOrLimitedPartnerCashDistributionsDeclaredMarginalPercentageInterestInDistributions
Namespace Prefix:	glp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the per-share or per-unit targeted quarterly cash distributions to a common shareholder or unit-holder by an LLC or LP.

No definition available.

Name:	glp_DistributionMadeToMemberOrLimitedPartnerQuarterlyCashDistributionsTargetAmountPerUnit
Namespace Prefix:	glp_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	glp_DistributionsMadeToGeneralAndLimitedPartnerLineItems
Namespace Prefix:	glp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents the number of quarterly periods of cash reserves to provide funds for distributions to unitholders and general partner.

No definition available.

Name:	glp_NumberOfQuarterlyPeriodsOfCashReservesToProvideFundsForDistributionsToUnitholdersAndGeneralPartner
Namespace Prefix:	glp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the period of distribution of available cash to unit holders after the end of each quarter as determined by the Partnership.

No definition available.

Name:	glp_PeriodOfDistributionOfAvailableCashAfterEndOfEachQuarter
Namespace Prefix:	glp_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The percentage rate used to calculate dividend payments on preferred units in a partnership.

No definition available.

Name:	glp_PreferredUnitsDividendRatePercentage
Namespace Prefix:	glp_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The number of general partner units outstanding.

Name:	us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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

The number of limited partner units outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Name:	us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Per share or per unit amount of equity securities issued.

No definition available.

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Name:	glp_DistributionTargetLevelsAxis=glp_FirstTargetDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	glp_DistributionTargetLevelsAxis=glp_SecondTargetDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	glp_DistributionTargetLevelsAxis=glp_ThirdTargetDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	glp_DistributionTargetLevelsAxis=glp_FinalTargetDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=glp_AffiliatesOfGeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_OwnershipAxis=glp_GlobalPartnersLpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=glp_LimitedPartnershipUnitsCommonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_LimitedPartnersCapitalAccountByClassAxis=glp_LimitedPartnershipUnitsPreferredSeriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_PartnerTypeOfPartnersCapitalAccountAxis=us-gaap_LimitedPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: