Derivative Activities - Additional Information (Detail) $ in Millions	Mar. 31, 2024 USD ($) MMBTU
Derivatives Excluding Basis Swaps
Derivative [Line Items]
Derivative assets liabilities at fair value net	$ 393.9
Commodity \| Natural Gas Basis Swaps
Derivative [Line Items]
Derivative assets liabilities at fair value net	$ 27.0
Volume Hedged \| MMBTU	323,405,000

The sum of the notional amount of derivative over the life of the entire contract, expressed in nonmonetary units. For example, the total number of British Thermal Unit (BTU) specified in a fuel oil forward purchase contract.

No definition available.

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480463/815-10-45-5

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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