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Long-Term Debt Narrative (Details) (USD $) |  |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 Significant Observable Inputs (Level 2) | Dec. 31, 2012 Significant Observable Inputs (Level 2) | Dec. 31, 2013 San Jose Water Company [Member] Senior Notes [Member] | Dec. 31, 2013 SJWTX,Inc. dba Canyon Lake Water Supply Corporation [Member] Senior Notes [Member] Series A [Member] | Dec. 31, 2013 SJW Corp. [Member] Senior Notes [Member] Series A [Member] | Dec. 31, 2013 SJW Corp. [Member] Senior Notes [Member] Series A [Member] Financial Guarantee [Member] | Dec. 31, 2013 SJW Corp. [Member] Senior Notes [Member] Series A [Member] Financial Guarantee [Member] Minimum [Member]
Ratio of indebtedness to total capital |  |  | 0.6666 | 0.6666 | 0.6666 | 0.6666 |
Ratio of net income available for interest charges for the trailing 12-month calendar period to interest charges |  |  | 1.75 | 1.75 |  |  |
Minimum net worth required for compliance |  |  |  |  | $ 175,000,000 |  | $ 125,000,000
Cumulative net income, percentage included in net worth for compliance |  |  |  |  | 30.00% |  | 30.00%
Fair value of long-term debt | $ 395,684,000 | $ 455,042,000 |  |  |  |  |

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- Definition Cumulative Net Income, Percentage Included in Net Worth for Compliance + References No definition available. + Details
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- Definition Ratio of Income to Interest Charges + References No definition available. + Details
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- Definition Ratio of Indebtedness to Total Capital + References No definition available. + Details
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- 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
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- 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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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
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