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Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Discontinued Operations (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Loss on disposal or impairment of assets, net (1)		$ 0		$ 1,181
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Revenues		0		16,198
Cost of sales		106		16,535
Operating expenses		1		281
Loss on disposal or impairment of assets, net (1)		0		1,181
Loss from discontinued operations before taxes		(107)		(1,799)
Income tax benefit		0		53
Loss From Discontinued Operations, net of Tax	$ 0	$ (107)	$ 0	(1,746)
TPSL
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Loss on disposal or impairment of assets, net (1)				200
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Loss on disposal or impairment of assets, net (1)				200
Gas Blending
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Loss on disposal or impairment of assets, net (1)				1,000
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Loss on disposal or impairment of assets, net (1)				$ 1,000