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Organization, Summary of Significant Accounting Policies and Recent Developments (Details) - Schedule of allowance for funds used during construction rates | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Middlesex [Member] |  |  |
Organization, Summary of Significant Accounting Policies and Recent Developments (Details) - Schedule of allowance for funds used during construction rates [Line Items] |  |  |
Allowance for funds used during construction rates | 6.35% | 6.50% | 6.50%
Tidewater [Member] |  |  |
Organization, Summary of Significant Accounting Policies and Recent Developments (Details) - Schedule of allowance for funds used during construction rates [Line Items] |  |  |
Allowance for funds used during construction rates | 7.92% | 7.92% | 7.92%

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- Definition Effective rate, including composite rate, of cost of financing additions to qualifying regulated assets, commonly called allowance for funds used during construction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481668/980-835-25-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482064/980-835-45-1 + Details
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