v3.26.1
Rate Matters (Details) - PPUC [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Rate Request Filed on May 30, 2025 [Member] | Water [Member]    
Rate Matters [Abstract]    
Requested annual increase in rates $ 20,312  
Authorized dollar increase in annual revenues 16,000  
Rate Request Filed on May 30, 2025 [Member] | Wastewater [Member]    
Rate Matters [Abstract]    
Requested annual increase in rates 3,858  
Authorized dollar increase in annual revenues 2,850  
DSIC [Member]    
Rate Matters [Abstract]    
Distribution system improvement charge revenue $ 279 $ 386
DSIC [Member] | Maximum [Member]    
Rate Matters [Abstract]    
Distribution system improvement charge percentage over base rate 5.00%  
DSIC [Member] | Minimum [Member]    
Rate Matters [Abstract]    
Distribution system improvement charge percentage over base rate 0.00%