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Rate and Regulatory Matters (Details) - USD ($) $ in Thousands	1 Months Ended								3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2025	Apr. 30, 2025	Feb. 28, 2025	Jan. 31, 2025	Oct. 30, 2024	Sep. 30, 2024	Aug. 31, 2024	Oct. 31, 2023	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2024
Rate and Regulatory Matters [Line Items]
Distribution system improvement charge rate								5.00%
Base rate amount								$ 5,500
Approved increase in annual operating revenues			$ 500	$ 100
Additional cost of purchased water									$ 1,879	$ 1,759
Percentage of Consumer Price Index												3.00%
Increase in annual operating revenues				6.51%
Tidewater [Member]
Rate and Regulatory Matters [Line Items]
Regulatory assets									$ 1,800
Annual operating revenue							$ 10,300
Percentage of current revenue							25.66%
Annual revenues					$ 2,500
Lead Service Line Replacement [Member]
Rate and Regulatory Matters [Line Items]
Recovering costs											$ 600
Delaware Public Service Commission [Member]
Rate and Regulatory Matters [Line Items]
Additional cost of purchased water						$ 2,100
Subsequent Event [Member]
Rate and Regulatory Matters [Line Items]
Approved increase in annual operating revenues	$ 1,100	$ 1,900