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Organization, Summary of Significant Accounting Policies and Recent Developments - Schedule of Range of Depreciation Rates for the Major Utility Plant Categories (Details)
 12 Months Ended
Dec. 31, 2024
Minimum [Member] | Source of Supply [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 1.15%
Minimum [Member] | Pumping [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 2.00%
Transmission and Distribution 1.10%
Minimum [Member] | Water Treatment [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 1.65%
Transmission and Distribution 2.12%
Minimum [Member] | General Plant [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 2.08%
Transmission and Distribution 1.61%
Minimum [Member] | Wastewater Collection [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 1.42%
Maximum [Member] | Source of Supply [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 3.44%
Maximum [Member] | Pumping [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 5.39%
Transmission and Distribution 3.13%
Maximum [Member] | Water Treatment [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 7.09%
Transmission and Distribution 3.16%
Maximum [Member] | General Plant [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 17.84%
Transmission and Distribution 4.63%
Maximum [Member] | Wastewater Collection [Member]  
Public Utilities, General Disclosures [Line Items]  
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service 1.81%