XML 46 R35.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Segment and Non-Tariffed Business Reporting (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) subsidiary reportable_segment | Jun. 30, 2017 USD ($) | Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  |  | 4 |  |
Number of reportable business segments | reportable_segment |  |  |  | 2 |  |
Operating revenue |  | $ 99,086 | $ 102,073 | $ 174,128 | $ 171,118 |
Operating expense |  | 76,287 | 70,254 | 143,998 | 127,591 |
Operating income (loss) |  | 22,799 | 31,819 | 30,130 | 43,527 |
Net income (loss) before noncontrolling interest |  | 12,871 | 20,584 | 14,156 | 24,255 |
Depreciation and amortization |  | 13,656 | 12,033 | 27,239 | 24,152 |
Senior note and other interest expense |  | 6,084 | 5,756 | 12,136 | 11,813 |
Income tax expense (benefit) in net income |  | 4,068 | 11,964 | 3,488 | 13,532 |
Assets |  | 1,500,121 | 1,471,186 | 1,500,121 | 1,471,186 | $ 1,458,001
Water Utility Services | Regulated |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue |  | 95,798 | 98,836 | 168,151 | 165,054 |
Operating expense |  | 70,642 | 67,285 | 132,343 | 122,031 |
Operating income (loss) |  | 25,156 | 31,551 | 35,808 | 43,023 |
Net income (loss) before noncontrolling interest |  | 15,022 | 16,080 | 19,817 | 20,029 |
Depreciation and amortization |  | 13,272 | 11,592 | 26,473 | 23,252 |
Senior note and other interest expense |  | 5,540 | 5,215 | 11,048 | 10,640 |
Income tax expense (benefit) in net income |  | 4,650 | 9,908 | 5,142 | 11,701 |
Assets |  | 1,449,714 | 1,398,567 | 1,449,714 | 1,398,567 |
Water Utility Services | Non-tariffed |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue |  | 1,967 | 1,910 | 3,315 | 3,174 |
Operating expense |  | 1,278 | 1,223 | 2,166 | 2,054 |
Operating income (loss) |  | 689 | 687 | 1,149 | 1,120 |
Net income (loss) before noncontrolling interest |  | 497 | 320 | 828 | 492 |
Depreciation and amortization |  | 85 | 142 | 168 | 278 |
Senior note and other interest expense |  | 0 | 0 | 0 | 0 |
Income tax expense (benefit) in net income |  | 193 | 236 | 322 | 373 |
Assets |  | 3,768 | 19,358 | 3,768 | 19,358 |
Real Estate Services | Non-tariffed |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue |  | 1,321 | 1,327 | 2,662 | 2,890 |
Operating expense |  | 891 | 942 | 1,740 | 1,890 |
Operating income (loss) |  | 430 | 385 | 922 | 1,000 |
Net income (loss) before noncontrolling interest |  | 296 | 5,321 | 652 | 5,681 |
Depreciation and amortization |  | 299 | 299 | 598 | 622 |
Senior note and other interest expense |  | 0 | (3) | 0 | 62 |
Income tax expense (benefit) in net income |  | 92 | 1,988 | 186 | 2,116 |
Assets |  | 46,756 | 49,337 | 46,756 | 49,337 |
All Other | Non-tariffed |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue | [1] | 0 | 0 | 0 | 0 |
Operating expense | [1] | 3,476 | 804 | 7,749 | 1,616 |
Operating income (loss) | [1] | (3,476) | (804) | (7,749) | (1,616) |
Net income (loss) before noncontrolling interest | [1] | (2,944) | (1,137) | (7,141) | (1,947) |
Depreciation and amortization | [1] | 0 | 0 | 0 | 0 |
Senior note and other interest expense | [1] | 544 | 544 | 1,088 | 1,111 |
Income tax expense (benefit) in net income | [1] | (867) | (168) | (2,162) | (658) |
Assets | [1] | (117) | 3,924 | (117) | 3,924 |
SJW Group | Regulated |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue |  | 95,798 | 98,836 | 168,151 | 165,054 |
Operating expense |  | 70,642 | 67,285 | 132,343 | 122,031 |
Operating income (loss) |  | 25,156 | 31,551 | 35,808 | 43,023 |
Net income (loss) before noncontrolling interest |  | 15,022 | 16,080 | 19,817 | 20,029 |
Depreciation and amortization |  | 13,272 | 11,592 | 26,473 | 23,252 |
Senior note and other interest expense |  | 5,540 | 5,215 | 11,048 | 10,640 |
Income tax expense (benefit) in net income |  | 4,650 | 9,908 | 5,142 | 11,701 |
Assets |  | 1,449,714 | 1,398,567 | 1,449,714 | 1,398,567 |
SJW Group | Non-tariffed |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Operating revenue |  | 3,288 | 3,237 | 5,977 | 6,064 |
Operating expense |  | 5,645 | 2,969 | 11,655 | 5,560 |
Operating income (loss) |  | (2,357) | 268 | (5,678) | 504 |
Net income (loss) before noncontrolling interest |  | (2,151) | 4,504 | (5,661) | 4,226 |
Depreciation and amortization |  | 384 | 441 | 766 | 900 |
Senior note and other interest expense |  | 544 | 541 | 1,088 | 1,173 |
Income tax expense (benefit) in net income |  | (582) | 2,056 | (1,654) | 1,831 |
Assets |  | $ 50,407 | $ 72,619 | $ 50,407 | $ 72,619 |
[1] | * The “All Other” category includes the accounts of SJW Group and Hydro Sub, Inc. on a stand-alone basis

X
- Definition Number of Subsidiaries + References No definition available. + Details
Name: | sjw_NumberOfSubsidiaries
Namespace Prefix: | sjw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount 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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
Name: | us-gaap_InterestExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4591551-111686 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The total amount of regulated operating revenues recognized during the period. + References No definition available. + Details
Name: | us-gaap_RegulatedOperatingRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating expense of regulated operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilitiesOperatingExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of operating expense for depreciation and amortization of regulated operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=sjw_ReportableSegmentOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=sjw_ReportableSegmentTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_AllOtherSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |