Represents the number of Company vessels that are operating under pooling agreement.

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Represents the number of directors that can be appointed to the board of directors pursuant to the agreement.

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Represents the Number of third party vessels that are operating under pooling agreement.

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The number of very large gas carrier VLGC time chartered-in vessels.

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Represents the number of vessels that are operating under pooling agreement.

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Represents the ownership interest held by related party.

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Represents the amount of cost reimbursed by the Company for employee office-related costs.

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Represents the amount of fixed reimbursement of expense from Helios.

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Represents the amount of working capital contributed to a related party.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Carrying amount as of the balance sheet date of obligations due all related parties.

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The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

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

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Transactions with Related Parties (Details)		3 Months Ended		6 Months Ended
Transactions with Related Parties (Details)	Apr. 01, 2014 item	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) item	Sep. 30, 2018 USD ($)	Mar. 31, 2019 USD ($)	Jul. 26, 2013
Transactions with Related Parties
Due from related parties		$ 67,976,602		$ 67,976,602		$ 44,455,643
Due to related parties		37,818		$ 37,818		489,644
Number of time chartered-in VLGC \| item				1
Eagle Ocean Transport \| Maximum
Transactions with Related Parties
Reimbursed office-related costs		100,000	$ 100,000	$ 100,000	$ 100,000
Manager
Transactions with Related Parties
Due from related parties		1,300,000		1,300,000		1,200,000
Mr. John Hadjipateras \| Eagle Ocean Transport
Transactions with Related Parties
Ownership interest (as a percent)							100.00%
Helios LPG Pool LLC
Transactions with Related Parties
Due from related parties		87,500,000		$ 87,500,000		62,500,000
Due to related party						500,000
Interest transferred to Dorian LPG Ltd. (as a percent)	50.00%
Number of members \| item	2
Number of vessels that are operating under pooling agreement \| item				28
Number of time chartered-in VLGC \| item				1
Number of Company vessels that are operating under pooling agreement \| item				19
Working capital contributed		20,900,000		$ 20,900,000		$ 19,800,000
Helios LPG Pool LLC \| Phoenix
Transactions with Related Parties
Number of third party vessels that are operating under pooling agreement \| item				4
Helios LPG Pool LLC \| Oriental Energy
Transactions with Related Parties
Number of third party vessels that are operating under pooling agreement \| item				5
Other income-related party \| Manager
Transactions with Related Parties
Related party income for chartering and operational services				$ 100,000	100,000
Other income-related party \| Manager \| Maximum
Transactions with Related Parties
Related party income for chartering and operational services		100,000	100,000
Other income-related party \| Helios LPG Pool LLC
Transactions with Related Parties
Related party income for chartering and operational services		300,000	600,000	800,000	1,100,000
Other income
Transactions with Related Parties
Fixed reimbursement of expense from Helios		$ 400,000	$ 100,000	$ 500,000	$ 200,000