v3.25.1

Basis of Presentation and General Information (Details)	12 Months Ended
Basis of Presentation and General Information (Details)	Mar. 31, 2025 m³	Nov. 24, 2023 m³
Capacity of dual-fuel ECO VLGC vessels (cubic meters)	84,000
Capacity of fuel-efficient ECO VLGC vessels (cubic meters)	84,000
Capacity of modern VLGC vessels (cubic meters)	82,000
Total VLGC vessels in fleet	25
Dual-fuel ECO VLGCs in fleet	1
Fuel-efficient ECO VLGCs in fleet	19
Modern VLGCs in fleet	1
Time chartered-in dual-fuel Panamax size VLGCs in fleet	3
Time chartered-in ECO VLGCs in fleet	1
ECO VLGCs in fleet (equipped with scrubbers)	16
Time chartered-in ECO VLGCs in fleet (equipped with scrubbers)	1
Additional VLGCs with purchase commitments for scrubbers	1
Vessel Under Construction
Represents the capacity of VLGC/AC in cubic meters		93,000
Minimum
Capacity of standard VLGC vessels (cubic meters)	80,000

- Definition

Represents the capacity of VLGC/AC vessels in cubic meters.

+ References

No definition available.

+ Details

Name:	lpg_CapacityOfAmmoniaCarrierVlgcVesselCubicMeters
Namespace Prefix:	lpg_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the capacity of dual-fuel ECO-design VLGC vessels in cubic meters.

+ References

No definition available.

+ Details

Name:	lpg_CapacityOfDualFuelEcoDesignVlgcVesselInCubicMeters
Namespace Prefix:	lpg_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the capacity of fuel-efficient ECO-design VLGC vessels in cubic meters.

+ References

No definition available.

+ Details

Name:	lpg_CapacityOfFuelEfficientEcoDesignVlgcVesselInCubicMeters
Namespace Prefix:	lpg_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the capacity of modern-design VLGC vessels in cubic meters.

+ References

No definition available.

+ Details

Name:	lpg_CapacityOfModernDesignVlgcVesselInCubicMeters
Namespace Prefix:	lpg_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the capacity of a standard very large gas carrier (VLGC) vessel.

+ References

No definition available.

+ Details

Name:	lpg_CapacityOfStandardVlgcVesselInCubicMeters
Namespace Prefix:	lpg_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of dual-fuel ECO-design VLGCs in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_DualFuelEcoVlgcsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of fuel-efficient ECO-design VLGCs in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_FuelEfficientEcoVlgcsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of modern-design VLGCs in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_ModernVlgcsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of additional VLGCs with purchase commitments for exhaust gas cleaning systems (scrubbers).

+ References

No definition available.

+ Details

Name:	lpg_NumberOfAdditionalVlgcsWithPurchaseCommitmentsRelatedToScrubbers
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of ECO VLGCs in current fleet equipped with exhaust gas cleaning systems (scrubbers).

+ References

No definition available.

+ Details

Name:	lpg_NumberOfEcoVlgcsInFleetEquippedWithScrubbers
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of time chartered-in ECO VLGCs in current fleet equipped with exhaust gas cleaning systems (scrubbers).

+ References

No definition available.

+ Details

Name:	lpg_NumberOfTimeCharteredInEcoVlgcsInFleetEquippedWithScrubbers
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of time chartered-in dual-fuel Panamax size VLGCs in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_TimeCharteredInDualFuelPanamaxSizeVlgcsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of time chartered-in ECO-design VLGCs in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_TimeCharteredInEcoVlgcsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the total number of very large gas carrier (VLGC) vessels in the current fleet.

+ References

No definition available.

+ Details

Name:	lpg_TotalVlgcVesselsInFleet
Namespace Prefix:	lpg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_AssetUnderConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

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