Pension Plans And Other Post-Retirement Benefits (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Lump sum paid	$ 17,757	$ 11,069
Expected return on plan assets	5.40%
2023 expected contribution	$ 20,343
Matching contribution, annual profit sharing compensation expense	21,758	$ 19,569	$ 15,445
Settlements	$ 3,300
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets	5.40%	5.60%	6.00%
Fair value of plan assets	$ 333,176	$ 433,121	$ 426,801
Settlements	17,757
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Expected return on plan assets		5.60%
Fair value of plan assets	85,994	$ 107,308	$ 98,995
Settlements
Aqua America Common Stock [Member] | Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 18,037	$ 20,290
Percentage of plan assets	5.40%	4.70%