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General (Tables)

3 Months Ended

Mar. 31, 2021

Accounting Policies [Abstract]

Major Streams of Revenue

The major streams of revenue for SJW Group are as follows:

									Three months ended March 31,
															2021						2020
Revenue from contracts with customers															$	112,238					105,136
Alternative revenue programs, net															112						504
Other balancing and memorandum accounts revenue, net															1,091						8,744
Rental income															1,344						1,370
															$	114,785					115,754

Schedule of Real Estate Investments

The major components of real estate investments as of March 31, 2021, and December 31, 2020, are as follows: 

			March 31, 2021						December 31, 2020
Land			$	14,168					14,168
Buildings and improvements			44,112						43,961
Subtotal			58,280						58,129
Less: accumulated depreciation and amortization			15,072						14,783
Total			$	43,208					43,346

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Tabular disclosure of real estate investments.

+ References

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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