Basis of Presentation and General Information (Predecessor) (Details 2) (Revenue, Customer concentration)	9 Months Ended	12 Months Ended	4 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2015	Jul. 28, 2013	Mar. 31, 2013
Statoil ASA
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues	51.00%	27.00%
Predecessor | Statoil ASA
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues			49.00%	53.00%
Predecessor | Petredec Ltd
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues			18.00%	19.00%
Predecessor | E1Corp
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues			19.00%	17.00%
Predecessor | Astomos Energy Corporation
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues			12.00%