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v3.23.1

Income Taxes: (Details) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
GSWC |  |
Effective income tax rate |  |
ETRs ( as a percent) | 24.50% | 23.90%
Parent |  |
Effective income tax rate |  |
ETRs ( as a percent) | 23.80% | 24.00%

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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