XML 56 R45.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Lines of Credit Narrative (Details) (USD $) |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 Unsecured Debt [Member] Wells Fargo [Member] SJW Corp. [Member] | Dec. 31, 2013 Revolving Credit Facility [Member] | Dec. 31, 2013 Revolving Credit Facility [Member] SJW Corp. [Member] | Dec. 31, 2012 Revolving Credit Facility [Member] SJW Corp. [Member] | Mar. 01, 2012 Revolving Credit Facility [Member] Wells Fargo [Member] SJW Corp., SJW Land Company [Member] | Mar. 01, 2012 Revolving Credit Facility [Member] Wells Fargo [Member] San Jose Water Company [Member] | Dec. 31, 2013 Standby Letters of Credit [Member] San Jose Water Company [Member] standy_letter_of_credit
Ratio of indebtedness to total capital | 0.666 |  |  |  |  |  |
Aggregate amount of unsecured revolving credit facility |  | $ 90,000,000 |  |  | $ 15,000,000 | $ 75,000,000 | $ 3,000,000
Number of standby letters of credit |  |  |  |  |  |  | 2
Automatic renewal term of standby letters of credit |  |  |  |  |  |  | 1 year
Aggregate outstanding balance on lines of credit |  |  | $ 22,400,000 | $ 15,300,000 |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  | 1.29% | 1.44% |  |  |
Debt covenant interest charge maximum to net Income available to stockholders | 1.75 |  |  |  |  |  |

X
- Definition Debt, Covenant, Interest Charge Maximum to Net Income Available to Stockholders + References No definition available. + Details
Name: | sjw_DebtCovenantInterestChargeMaximumtoNetIncomeAvailabletoStockholders
Namespace Prefix: | sjw_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Number of Standby Letters of Credit + References No definition available. + Details
Name: | sjw_LineOfCreditFacilityNumberOfStandbyLettersOfCredit
Namespace Prefix: | sjw_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of Credit Facility, Standby Letter Of Credit, Automatic Renewal Term + References No definition available. + Details
Name: | sjw_LineOfCreditFacilityStandbyLetterOfCreditAutomaticRenewalTerm
Namespace Prefix: | sjw_
Data Type: | xbrli:durationItemType
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 Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityAmountOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant