Material Accounting Policies - Segment information (Details)	12 Months Ended
Dec. 31, 2023 item
Material Accounting Policies
Number of LNG carriers owned by each vessel-owning company	1

Represents the number of LNG carrier each vessel-owning company has.

No definition available.

Name:	glop_NumberOfLngCarrierEachVesselOwningCompany
Namespace Prefix:	glop_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration