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Contingencies (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($)
Loss Contingencies [Line Items]
Amount spent in clean-up and remediation activities [Abstract]	$ 1.5
Environmental Clean-Up and Remediation | GOLDEN STATE WATER COMPANY
Loss Contingencies [Line Items]
Environmental Remediation Expense	6.2
Accrued liability for the estimated additional cost to complete the clean-up at the site	$ 1.3

X

- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

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Amount of the estimated recovery from third parties recorded in the period for an individual site that reduces environmental remediation expense.

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