Commitments, Termination Fee

No definition available.

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- Definition

This element represents amount of estimated liability for FERC ordered MISO tariff ROE refund obligation.

+ References

No definition available.

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- Definition

Number of Outstanding State Implementation Plans, Timeline Provided By Regulatory Agency

+ References

No definition available.

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- Definition

Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments.

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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.

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No definition available.

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Commitments and Contingencies (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
Commitments and Contingencies (Details) $ in Thousands	Mar. 31, 2024 plan	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Other Commitments [Line Items]
Payments to acquire productive assets					$ 259,750	$ 229,849
Pre-tax benefit		$ 104,156	$ 116,701		303,889	$ 294,517
Federal Energy Regulatory Commission \| Otter Tail Power Company
Other Commitments [Line Items]
Estimated liability of refund obligation		500			500
Pre-tax benefit		$ 2,500			$ 2,500
Environmental Protection Agency \| Otter Tail Power Company
Other Commitments [Line Items]
Number of outstanding state implementation plans, timeline provided by regulatory agency \| plan	34
Forecast \| Solar
Other Commitments [Line Items]
Payments to acquire productive assets				$ 23,600
Commitments, termination fee				$ 5,000