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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 -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501662&loc=d3e56162-110433 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 835 -Section 25 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6501569&loc=d3e55921-110430 + Details
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