Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Inventory
Crude oil	$ 44,056	$ 49,586
Propane	34,225	46,910
Total	130,907	142,607
Biodiesel Inventory
Inventory
Renewable Energy Related Inventory	18,919	19,778
Butane Inventory
Inventory
Energy Related Inventory, Natural Gas Liquids	20,400	18,384
Diesel Inventory
Inventory
Diesel	5,361	2,536
Other natural gas liquids
Inventory
Energy Related Inventory, Natural Gas Liquids	$ 7,946	5,413
Ethanol Inventory
Inventory
Renewable Energy Related Inventory		$ 100

Renewable Energy Related Inventory

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- Definition

Carrying amount as of the balance sheet date of liquid hydrocarbon components recovered from natural gas.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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- Definition

Carrying amount as of the balance sheet date of petroleum or crude oil.

+ References

+ Details

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- Definition

Carrying amount as of the balance sheet date of product derived from petroleum during the processing of oil or natural gas which is then used as a heat source or fuel.

+ References

+ Details

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- Definition

Carrying amount as of the balance sheet date of finished goods inventories for petroleum products, crude oil, petrochemical products, and other oil and gas inventories.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481372/852-10-55-10

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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