Significant Accounting Policies - Accounts Receivable and Concentration of Credit Risk (Details)	12 Months Ended
Mar. 31, 2022
Net Sales Revenue \| Customer Concentration Risk \| CITGO Petroleum Corporation
Concentration risk, percentage	12.80%

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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