Significant Accounting Policies - Other Noncurrent Assets (Details) $ in Thousands	Dec. 31, 2021 USD ($) bbl	Mar. 31, 2021 USD ($) bbl
Other Assets, Noncurrent [Abstract]
Loan receivable	$ 3,100	$ 2,962
Linefill	28,065	28,110
Other	6,347	6,490
OTHER NONCURRENT ASSETS	47,479	50,733
Other Noncurrent Assets
Minimum shipping fees - pipeline commitments	14,200
Other noncurrent assets
Other Noncurrent Assets
Minimum shipping fees - pipeline commitments	9,967	$ 13,171
Prepaid expenses and other current assets
Other Noncurrent Assets
Minimum shipping fees - pipeline commitments	$ 4,200
Crude oil
Other Noncurrent Assets
Number of barrels of product | bbl	423,978	423,978