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Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

Summarized quarterly financial data is as follows:

	2018 Quarter Ended
	March				June			September			December
Operating revenue	$	75,042			99,086			124,853			98,718
Operating income	7,331				22,799			25,828			17,482
SJW Group net income	1,285				12,871			15,788			8,823
Comprehensive income	1,285				12,871			15,788			8,823
Earnings per share:
—Basic	0.06				0.63			0.77			0.38
—Diluted	0.06				0.62			0.76			0.38
Market price range of stock:
—High	63.47				68.15			67.29			65.31
—Low	51.96				51.68			56.12			52.63
Dividend per share	0.28				0.28			0.28			0.28

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- References

No definition available.

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- Definition

Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306

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