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- Definition

Public Utilities, Number of People Served

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- Definition

Public Utilities, Number of Communities Served

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- Definition

Public Utilities, Service Area

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- Definition

Public Utilities, Service Connections

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) $ in Thousands	Oct. 09, 2019 USD ($) mi² communities_served people_served service_connection	Oct. 08, 2019 USD ($)	Mar. 28, 2019 USD ($)
Subsequent Event [Line Items]
Principal Debt Sold			$ 80,000
Debt Instrument, Interest Rate, Stated Percentage			4.29%
SJWNE, LLC \| Subsequent Event
Subsequent Event [Line Items]
Public Utilities, Service Connections \| service_connection	138,000
Public Utilities, Number of People Served \| people_served	450,000
Public Utilities, Number of Communities Served \| communities_served	80
Public Utilities, Service Area \| mi²	269
Payments to Acquire Businesses, Gross	$ 838,476
Wastewater \| SJWNE, LLC \| Subsequent Event
Subsequent Event [Line Items]
Public Utilities, Service Connections \| service_connection	3,000
Series 2019A \| Senior Notes \| Parent Company \| Subsequent Event
Subsequent Event [Line Items]
Principal Debt Sold		$ 310,000
Debt Instrument, Interest Rate, Stated Percentage		3.05%
Series 2019B \| Senior Notes \| Parent Company \| Subsequent Event
Subsequent Event [Line Items]
Principal Debt Sold		$ 75,000
Debt Instrument, Interest Rate, Stated Percentage		3.15%
Series 2019C \| Senior Notes \| Parent Company \| Subsequent Event
Subsequent Event [Line Items]
Principal Debt Sold		$ 125,000
Debt Instrument, Interest Rate, Stated Percentage		3.53%