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Revenues (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

(dollar in thousands)						For The Year Ended December 31, 2020						For The Year Ended December 31, 2019						For The Year Ended December 31, 2018
Water:
Tariff-based revenues						$	329,670					$	305,244					298,818
CPUC-approved surcharges (cost-recovery activities)						3,736						4,322						2,962
Other						2,100						2,006						1,813
Water revenues from contracts with customers						335,506						311,572						303,593
WRAM under/(over)-collection (alternative revenue program)						(4,869)						8,258						(8,335)
Total water revenues						330,637						319,830						295,258
Electric:
Tariff-based revenues						35,283						36,628						34,501
CPUC-approved surcharges (cost-recovery activities)						686						410						214
Electric revenues from contracts with customers						35,969						37,038						34,715
BRRAM under/(over)-collection (alternative revenue program)						1,055						2,510						(365)
Total electric revenues						37,024						39,548						34,350
Contracted services:
Water						74,898						59,868						62,273
Wastewater						45,684						54,623						44,935
Contracted services revenues from contracts with customers						120,582						114,491						107,208
Total revenues						$	488,243					$	473,869					$	436,816

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

The opening and closing balances of the receivable from the U.S. government, contract assets and contract liabilities from contracts with customers, which related entirely to ASUS, are as follows:    

(dollar in thousands)						December 31, 2020						December 31, 2019
Unbilled receivables						$	14,924					$	10,467
Receivable from the U.S. government						$	74,670					$	64,819
Contract assets						$	10,257					$	15,631
Contract liabilities						$	1,800					$	11,167

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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X

- 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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- References

No definition available.

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