Basis of Presentation and Recent Developments (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Jul. 01, 2024	Dec. 31, 2023
Basis of Presentation and Recent Developments [Line Items]
Obligation to pay percentage	30.00%
Proceeds received	$ 27.9
Agreement proceeds	65.2
Middlesex Water [Member]
Basis of Presentation and Recent Developments [Line Items]
Installment payment	$ 93.2
Forecast [Member] | Middlesex Water [Member]
Basis of Presentation and Recent Developments [Line Items]
Installment payment		$ 69.9	$ 23.3