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Regulatory Matters 5 (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Regulatory matters: |  |
Regulatory asset | $ 2,700 |
GSWC |  |
Regulatory matters: |  |
Total | (2,450) | $ (28,340)
GSWC | Revenue Subject to Refund for TCJA [Member] |  |
Regulatory matters: |  |
Adjustments recorded to revalue deferred taxes as a result of the tax cut and job act of 2017 impact |  | 7,100
GSWC | Pension Costs and Other Postretirement Benefit Costs |  |
Regulatory matters: |  |
Regulatory asset | 43,400 |
Total | 40,693 | 33,124
GSWC | General Rate Case Memorandum Accounts [Member] |  |
Regulatory matters: |  |
Total | $ 4,820 | $ 5,054
Maximum [Member] | GSWC | General Rate Case Memorandum Accounts [Member] |  |
Regulatory matters: |  |
Regulatory Asset Recovery Periods | 36 months |
Minimum | GSWC | General Rate Case Memorandum Accounts [Member] |  |
Regulatory matters: |  |
Regulatory Asset Recovery Periods | 12 months |

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- Definition Adjustments recorded to revalue deferred taxes as a result of the tax cut and job act of 2017 impact + References No definition available. + Details
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- Definition Represents the recovery periods of the surcharge billed to the customers. + References No definition available. + Details
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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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- Definition The net amount of all regulatory assets less all regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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- Definition The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382 + Details
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- Details
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- Details
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