XML 69 R53.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Long-Term Debt - Schedule of Long-term Debt Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Debt Instrument [Line Items] |  |
Long-term debt | $ 1,522,955 | $ 1,352,320
Unamortized debt premium, net | 19,937 | 22,479
Unamortized debt issuance costs | (10,851) | (10,978)
Current portion | (39,106) | (76,241)
Total long-term debt, less current portion | 1,492,935 | 1,287,580
SJW Group |  |
Debt Instrument [Line Items] |  |
Current portion | 0 | (49,929)
Total long-term debt, less current portion | 556,225 | 555,824
SJW Group | Senior notes |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 560,000 | 610,000
SJW Group | Senior notes | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 2.47% |
SJW Group | Senior notes | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.53% |
SJWC | California Pollution Control Financing Authority Revenue Bonds |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 540,000 | 440,000
SJWC | Senior notes |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 420,000 | 320,000
SJWC | Senior notes | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.00% |
SJWC | Senior notes | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 8.58% |
SJWC | Public utility, bonds | California Pollution Control Financing Authority Revenue Bonds |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 120,000 | 120,000
SJWC | Public utility, bonds | California Pollution Control Financing Authority Revenue Bonds | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.75% |
SJWC | Public utility, bonds | California Pollution Control Financing Authority Revenue Bonds | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 5.10% |
CTWS | Bank term loans |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 20,351 | 22,169
CTWS | Bank term loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.09% |
CTWS | Bank term loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.15% |
Connecticut Water Company |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 303,140 | 225,400
Connecticut Water Company | Senior notes |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 170,000 | 70,000
Connecticut Water Company | Senior notes | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.07% |
Connecticut Water Company | Senior notes | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.53% |
Connecticut Water Company | Public utility, bonds | Connecticut Innovations Revenue Bonds, variable rate |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 22,050 | 22,050
Connecticut Water Company | Public utility, bonds | Connecticut Innovations Revenue Bonds, fixed rate |  |
Debt Instrument [Line Items] |  |
Long-term debt | 0 | 22,260
Connecticut Water Company | Bank term loans |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 111,090 | 111,090
Connecticut Water Company | Bank term loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.51% |
Connecticut Water Company | Bank term loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.75% |
SJWTX, Inc. |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 45,000 | 15,000
SJWTX, Inc. | Senior notes |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 15,000 | 15,000
SJWTX, Inc. | Senior notes | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 6.27% |
SJWTX, Inc. | Senior notes | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 6.27% |
SJWTX, Inc. | Bank term loans |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 30,000 | 0
SJWTX, Inc. | Bank term loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.01% |
SJWTX, Inc. | Bank term loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 4.11% |
Maine Water Company |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 54,464 | 39,751
Maine Water Company | Public utility, bonds | State revolving fund loans |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 17,264 | 18,651
Maine Water Company | Public utility, bonds | State revolving fund loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 0.00% |
Maine Water Company | Public utility, bonds | State revolving fund loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 2.58% |
Maine Water Company | Public utility, bonds | Other First Mortgage Bond |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 2,700 | 3,600
Maine Water Company | Public utility, bonds | Other First Mortgage Bond | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 8.95% |
Maine Water Company | Public utility, bonds | Other First Mortgage Bond | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 8.95% |
Maine Water Company | Bank term loans |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 34,500 | $ 17,500
Maine Water Company | Bank term loans | Minimum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 3.89% |
Maine Water Company | Bank term loans | Maximum |  |
Debt Instrument [Line Items] |  |
Stated interest rates | 5.51% |

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 2: 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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after accumulated amortization, of debt premium. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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=123466204&loc=SL6031897-161870 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69C -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612 Reference 3: 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=120400017&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 5: 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=120398452&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 7: 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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + 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) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebtNoncurrent
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=120391452&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: | srt_ConsolidatedEntitiesAxis=srt_ParentCompanyMember
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_RangeAxis=srt_MinimumMember
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: | 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: | 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_ConnecticutInnovationsRevenueBondsVariableRateMember
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: |