XML 63 R44.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Financial Instruments and Fair Value Disclosures (FV) (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2019
Derivative Instruments |  |  |  |  |
Change in fair value | $ 1,446,395 | $ (6,669,266) | $ (5,291,504) | $ (3,910,190) |
Realized gain on derivatives | 449,276 | 881,276 | 2,191,417 | 2,494,832 |
Interest rate swaps | Derivatives not designated as hedging instruments |  |  |  |  |
Derivative Instruments |  |  |  |  |
Gain/(loss) on derivatives, net | 1,895,671 | (5,787,990) | (3,100,087) | (1,415,358) |
Interest rate swaps | Derivatives not designated as hedging instruments | Unrealized gain/(loss) on derivatives |  |  |  |  |
Derivative Instruments |  |  |  |  |
Change in fair value | 801,395 | (6,669,266) | (6,881,504) | (3,910,190) |
Interest rate swaps | Derivatives not designated as hedging instruments | Realized gain on derivatives |  |  |  |  |
Derivative Instruments |  |  |  |  |
Realized gain on derivatives | 449,276 | $ 881,276 | 2,191,417 | $ 2,494,832 |
Interest rate swaps | Derivatives not designated as hedging instruments | Other non-current assets-Derivative instruments |  |  |  |  |
Derivative Instruments |  |  |  |  |
Derivative Asset | 1,033,323 |  | 1,033,323 |  | $ 6,448,498
Interest rate swaps | Derivatives not designated as hedging instruments | Long-term liabilities-Derivatives instruments |  |  |  |  |
Derivative Instruments |  |  |  |  |
Derivative Liabilities | 1,466,329 |  | 1,466,329 |  |
Forward freight agreements | Derivatives not designated as hedging instruments | Unrealized gain/(loss) on derivatives |  |  |  |  |
Derivative Instruments |  |  |  |  |
Change in fair value | 645,000 |  | 1,590,000 |  |
Forward freight agreements | Derivatives not designated as hedging instruments | Current assets-Derivative instruments |  |  |  |  |
Derivative Instruments |  |  |  |  |
Derivative Asset | $ 1,590,000 |  | $ 1,590,000 |  |

X
- Definition Amount of gain (loss) included in earnings for the period interest on the interest rate derivatives. + References No definition available. + Details
Name: | lpg_GainLossOnInterestRateDerivativeInstrumentsInterest
Namespace Prefix: | lpg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
Name: | us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=lpg_GainLossOnDerivativeInstrumentsUnrealizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=lpg_GainLossOnDerivativeInstrumentsRealizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=lpg_DerivativeInstrumentsNoncurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=lpg_DerivativeInstrumentsNoncurrentLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=lpg_ForwardFreightAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=lpg_DerivativeInstrumentsCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |