XML 97 R48.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Long-Term Debt Narrative (Details) |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 03, 2020 USD ($) | Oct. 08, 2019 USD ($) | Mar. 28, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 19, 2019 USD ($) | Dec. 31, 2018 USD ($)
Unamortized Debt Issuance Expense |  |  |  | $ (11,737,000) |  | $ (3,576,000)
Long-term debt |  |  |  | $ 1,292,586,000 |  | 435,000,000
Document Period End Date |  |  |  | Dec. 31, 2019 |  |
Significant Observable Inputs (Level 2) |  |  |  |  |  |
Fair value of long-term debt |  |  |  | $ 1,396,205,000 |  | 490,148,000
San Jose Water Company [Member] | Senior Notes [Member] |  |  |  |  |  |
Ratio of indebtedness to total capital |  |  |  | 0.6666 |  |
Ratio of net income available for interest charges for the trailing 12-month calendar period to interest charges |  |  |  | 1.75 |  |
SJW Group [Member] | Senior Notes [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 560,000,000 |  | 50,000,000
SJW Group [Member] | Senior Notes [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.35% |  |
SJW Group [Member] | Senior Notes [Member] | Series A [Member] |  |  |  |  |  |
Ratio of indebtedness to total capital |  |  |  | 0.6666 |  |
Minimum net worth required for compliance |  |  |  | $ 175,000,000 |  |
Cumulative net income, percentage included in net worth for compliance |  |  |  | 30.00% |  |
SJW Group [Member] | Senior Notes [Member] | Series A [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 3.05% |  |
SJW Group [Member] | Senior Notes [Member] | Series A [Member] | Financial Guarantee [Member] |  |  |  |  |  |
Ratio of indebtedness to total capital |  |  |  | 0.6666 |  |
Minimum net worth required for compliance |  |  |  | $ 125,000,000 |  |
SJW Group [Member] | Senior Notes [Member] | Series A [Member] | Financial Guarantee [Member] | Minimum [Member] |  |  |  |  |  |
Cumulative net income, percentage included in net worth for compliance |  |  |  | 30.00% |  |
SJW Group [Member] | Senior Notes [Member] | Series 2019A [Member] |  |  |  |  |  |
Stated interest rates |  | 3.05% |  |  |  |
Principal Debt Sold |  | $ 310,000,000 |  |  |  |
SJW Group [Member] | Senior Notes [Member] | Series 2019B [Member] |  |  |  |  |  |
Stated interest rates |  | 3.15% |  |  |  |
Principal Debt Sold |  | $ 75,000,000 |  |  |  |
SJW Group [Member] | Senior Notes [Member] | Series 2019C [Member] |  |  |  |  |  |
Stated interest rates |  | 3.53% |  |  |  |
Principal Debt Sold |  | $ 125,000,000 |  |  |  |
San Jose Water Company [Member] | California Pollution Control Financing Authority Revenue Bonds [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 450,000,000 |  | 370,000,000
San Jose Water Company [Member] | Public Utility, Bonds [Member] | California Pollution Control Financing Authority Revenue Bonds [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 120,000,000 |  | 120,000,000
San Jose Water Company [Member] | Public Utility, Bonds [Member] | California Pollution Control Financing Authority Revenue Bonds [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.75% |  |
San Jose Water Company [Member] | Public Utility, Bonds [Member] | California Pollution Control Financing Authority Revenue Bonds [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 5.10% |  |
San Jose Water Company [Member] | Senior Notes [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 330,000,000 |  | 250,000,000
San Jose Water Company [Member] | Senior Notes [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.29% |  |
San Jose Water Company [Member] | Senior Notes [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 9.45% |  |
San Jose Water Company [Member] | Senior Notes [Member] | Series M [Member] |  |  |  |  |  |
Stated interest rates |  |  | 4.29% |  |  |
Principal Debt Sold |  |  | $ 80,000,000 |  |  |
Connecticut Water Service, Inc. [Member] | Notes Payable to Banks [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 23,935,000 |  | 0
Ratio of indebtedness to total capital |  |  |  | 0.60 |  |
Connecticut Water Service, Inc. [Member] | Notes Payable to Banks [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.09% |  |
Connecticut Water Service, Inc. [Member] | Notes Payable to Banks [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.15% |  |
Connecticut Water Company [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 198,646,000 |  | 0
Connecticut Water Company [Member] | Public Utility, Bonds [Member] | Connecticut Innovations Revenue Bonds, Variable Rate [Member] |  |  |  |  |  |
Long-term debt |  |  |  | 44,556,000 |  |
Connecticut Water Company [Member] | Public Utility, Bonds [Member] | Connecticut Innovations Revenue Bonds [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 22,506,000 |  | 0
Stated interest rates |  |  |  | 5.00% |  |
Connecticut Water Company [Member] | Notes Payable to Banks [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 119,090,000 |  | 0
Ratio of indebtedness to total capital |  |  |  | 0.60 |  |
Connecticut Water Company [Member] | Notes Payable to Banks [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 3.16% |  |
Connecticut Water Company [Member] | Notes Payable to Banks [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.75% |  |
Connecticut Water Company [Member] | Senior Notes [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 35,000,000 |  | 0
Stated interest rates |  |  |  | 3.53% |  |
SJWTX, Inc. [Member] | Senior Notes [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 15,000,000 |  | 15,000,000
Stated interest rates |  |  |  | 6.27% |  |
Maine Water Company [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 38,032,000 |  | 0
Maine Water Company [Member] | Public Utility, Bonds [Member] | State Revolving Fund Loans [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 16,032,000 |  | 0
Maine Water Company [Member] | Public Utility, Bonds [Member] | State Revolving Fund Loans [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 0.00% |  |
Maine Water Company [Member] | Public Utility, Bonds [Member] | State Revolving Fund Loans [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 2.58% |  |
Maine Water Company [Member] | Public Utility, Bonds [Member] | First Mortgage Bonds [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 8.95% |  |
Ratio of indebtedness to total capital |  |  |  | 0.65 |  |
Maine Water Company [Member] | Public Utility, Bonds [Member] | State Revolving Fund Loans Series S [Member] |  |  |  |  |  |
Long-term debt |  |  |  |  | $ 5,000,000 |
Stated interest rates |  |  |  |  | 1.00% |
Maine Water Company [Member] | Mortgages [Member] | First Mortgage Bonds [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 4,500,000 |  | 0
Maine Water Company [Member] | Notes Payable to Banks [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 17,500,000 |  | 0
Maine Water Company [Member] | Notes Payable to Banks [Member] | Minimum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 4.18% |  |
Maine Water Company [Member] | Notes Payable to Banks [Member] | Maximum [Member] |  |  |  |  |  |
Stated interest rates |  |  |  | 5.51% |  |
Heritage Valley Water Company [Member] | Notes Payable to Banks [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 4,164,000 |  | 0
Stated interest rates |  |  |  | 4.75% |  |
Principal and interest payments |  |  |  | $ 31,000 |  |
Avon Water Company [Member] | Mortgages [Member] |  |  |  |  |  |
Long-term debt |  |  |  | $ 2,809,000 |  | $ 0
Loan amortization period |  |  |  | 20 years |  |
Stated interest rates |  |  |  | 3.05% |  |
Principal and interest payments |  |  |  | $ 22,000 |  |
SJWTX,Inc. dba Canyon Lake Water Supply Corporation [Member] | Senior Notes [Member] | Series A [Member] |  |  |  |  |  |
Ratio of indebtedness to total capital |  |  |  | 0.6666 |  |
Ratio of net income available for interest charges for the trailing 12-month calendar period to interest charges |  |  |  | 1.75 |  |
Subsequent Event [Member] | Maine Water Company [Member] |  |  |  |  |  |
Increase (Decrease) in Restricted Cash | $ (4,114,000) |  |  |  |  |

X
- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
Name: | dei_DocumentPeriodEndDate
Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cumulative Net Income, Percentage Included in Net Worth for Compliance + References No definition available. + Details
Name: | sjw_CumulativeNetIncomePercentageIncludedInNetWorthForCompliance
Namespace Prefix: | sjw_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Periodic Payments, Principal and Interest + References No definition available. + Details
Name: | sjw_DebtInstrumentPeriodicPaymentsPrincipalandInterest
Namespace Prefix: | sjw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Principal Debt Sold + References No definition available. + Details
Name: | sjw_PrincipalDebtSold
Namespace Prefix: | sjw_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Ratio of Income to Interest Charges + References No definition available. + Details
Name: | sjw_RatioOfIncomeToInterestCharges
Namespace Prefix: | sjw_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio of Indebtedness to Total Capital + References No definition available. + Details
Name: | sjw_RatioOfIndebtednessToCapital
Namespace Prefix: | sjw_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
Name: | us-gaap_IncreaseDecreaseInRestrictedCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
Name: | us-gaap_LongTermDebtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(a) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 + Details
Name: | us-gaap_MinimumNetWorthRequiredForCompliance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=us-gaap_SeriesAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_FinancialGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_Series2019AMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_Series2019BMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_Series2019CMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_SanJoseWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_CaliforniaPollutionControlFinancingAuthorityRevenueBondsTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_PublicUtilityBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_SeriesMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_ConnecticutWaterServiceInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_ConnecticutWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_ConnecticutInnovationsRevenueBondsTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_ConnecticutInnovationsRevenueBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_SJWTXInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_MaineWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_StateRevolvingFundLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_FirstMortgageBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=sjw_StateRevolvingFundLoansSeriesSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_HeritageValleyWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=sjw_AvonWaterCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sjw_SubsidiaryOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |