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Commitments and Contingencies (Details) $ in Millions | Jan. 03, 2023 USD ($) numberOfLandEasement | Mar. 31, 2023 USD ($)
--- | --- | ---
Ashtabula III Wind Farm |  |
Other Commitments [Line Items] |  |
Purchase price | $ 50.6 |
Otter Tail Power Company | Federal Energy Regulatory Commission |  |
Other Commitments [Line Items] |  |
Estimated liability of refund obligation |  | $ 2.6
Otter Tail Power Company | Ashtabula III Wind Farm |  |
Other Commitments [Line Items] |  |
Purchase price | $ 50.6 |
Otter Tail Power Company | Ashtabula III Wind Farm | Land Easement Payments |  |
Other Commitments [Line Items] |  |
Number of land easements | numberOfLandEasement | 51 |
Remaining payments under easements | $ 4.2 |

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- Definition Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9215-128498 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 55 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6829253&loc=SL6831962-166255 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=127000608&loc=d3e9135-128495 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=126928898&loc=d3e9212-128498 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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