v3.26.1
Commitments (Details) - Customer-Owned Lead Service Lines [Member]
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
ServiceLine
Dec. 31, 2025
USD ($)
Commitments [Abstract]    
Number of lead customer-owned service lines to be replaced annually | ServiceLine 400  
Term of tariff modification to replace customer-owned lead service lines 9 years  
Recovery period of regulatory asset 4 years  
Costs incurred to replace customer-owned lead service lines | $ $ 2,093 $ 2,087