Basis of Presentation and General Information (ConRisk) (Details)	12 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Revenue. \| Customer concentration \| Helios LPG Pool LLC
Charterers individually accounting for more than 10% of revenues
Percentage of total revenues	90.00%	93.00%	89.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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