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Derivative Instruments - Narrative (Details) $ in Millions	Jun. 30, 2026 MW contract counterparty	Dec. 31, 2025 MW contract counterparty	Mar. 31, 2025 USD ($) $ / MMBTU
Derivative [Line Items]
Number of instruments held | contract	4	4
Number of counterparties | counterparty	2	2
Derivative, premium paid | $			$ (16.2)
Derivative, floor price (in USD per unit) | $ / MMBTU			3.00
Counterparty Two
Derivative [Line Items]
Derivative, nonmonetary notional amount | MW	600	600

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Derivative, Number Of Counterparties

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- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

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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.

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Nominal number of units used to calculate payment on derivative.

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The number of derivative instruments of a particular group held by the entity.

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Amount of premium paid on derivative.

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