Deferred Charges, Net (Details) (USD $)	9 Months Ended	12 Months Ended
Mar. 31, 2014	Mar. 31, 2015
Movement in deferred charges, net
Balance at the beginning of the period		$ 2,555,674us-gaap_DeferredCosts
Additions	3,421,584lpg_DeferredCostsAdditions	14,495,378lpg_DeferredCostsAdditions
Amortization	(865,910)lpg_DeferredCostsAmortization	(1,020,108)lpg_DeferredCostsAmortization
Transferred to APIC		(2,065,023)us-gaap_DeferredOfferingCosts
Balance at the end of the period	2,555,674us-gaap_DeferredCosts	13,965,921us-gaap_DeferredCosts
Financing costs
Movement in deferred charges, net
Balance at the beginning of the period		716,040
Additions	1,516,847	13,411,075
Amortization	(800,807)	(830,899)
Balance at the end of the period	716,040	13,296,216
Drydocking costs
Movement in deferred charges, net
Balance at the beginning of the period		535,291
Additions	600,394	323,623
Amortization	(65,103)	(189,209)
Balance at the end of the period	535,291	669,705
IPO offering costs
Movement in deferred charges, net
Balance at the beginning of the period		1,304,343
Additions	1,304,343	760,680
Transferred to APIC		(2,065,023)
Balance at the end of the period	$ 1,304,343

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Represents the additions made during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a long-term period.

+ References

No definition available.

+ Details

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- Definition

Represents the amortization expense recorded during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a long-term period.

+ References

No definition available.

+ Details

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- Definition

Sum of the carrying amounts of deferred costs that are expected to be recognized as a charge against earnings in periods after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 17

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.10)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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- Definition

Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.8)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 340

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=27011391&loc=d3e105025-122735

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section A

+ Details

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