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Nature of Business and Summary of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2024 USD ($) Segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Number of operating Segments | Segment | 1 |  |
Number of reportable segments | Segment | 1 |  |
Number of reportable segment with goodwill | Segment | 1 |  |
Gain associated with the termination of an offshore wind contract | $ 100,000 | $ 7,400,000 |
Gains on disposals of assets | $ 2,900,000 | 100,000 | $ 400,000
Loss related to the retirement of asset |  | $ 886,000 | $ 8,200,000
Quantitative threshold | 5.00% |  |
Percentage of income taxes paid (net of refunds received) | 5.00% |  |
Net cash flow effect | $ 0 |  |

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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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