Rate Matters (Details) - PPUC [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Rate Request Filed on May 27, 2022 [Member] | Water [Member]
Rate Matters [Abstract]
Requested annual increase in rates			$ 18,854
Authorized dollar increase in annual revenues			11,600
Rate Request Filed on May 27, 2022 [Member] | Wastewater [Member]
Rate Matters [Abstract]
Requested annual increase in rates			1,457
Authorized dollar increase in annual revenues			1,900
DSIC [Member]
Rate Matters [Abstract]
Distribution system improvement charge revenue	$ 0	$ 558	$ 271	$ 962
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%