Carrying amount as of the balance sheet date of amounts expected to be recovered under the terms of insurance contracts.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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- Definition

Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name Accounting Standards Codification
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Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

+ References

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- Definition

Commitments And Contingencies [Line Items]

+ References

No definition available.

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Number Of Individuals Commenced Legal Action Against Company

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Commitments And Contingencies (Narrative) (Details) $ in Thousands		1 Months Ended	2 Months Ended	9 Months Ended
	Sep. 03, 2019 item	Feb. 28, 2025 USD ($)	Aug. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)
Commitments And Contingencies [Line Items]
Aggregate amount accrued for loss contingencies				$ 22,429
Amount probable of recovery through insurance				769
Insurance reserve for employee medical benefit program				4,934
Number of individuals commenced action against company \| item	2
Insurance proceeds		$ 5,602	$ 39,844
Other Water And Wastewater Subsidiaries [Member]
Commitments And Contingencies [Line Items]
Insurance proceeds				31,068
Virginia Water And Wastewater Subsidiaries [Member] \| North Carolina [Member]
Commitments And Contingencies [Line Items]
Insurance proceeds				$ 8,776