XML 24 R18.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Real Estate Investments (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2013
Real Estate Investments, Net [Abstract] |
Schedule of Real Estate Investments | The major components of real estate investments as of June 30, 2013 and December 31, 2012 are as follows:
| June 30, 2013 |  | December 31, 2012
Land | $ | 18,892 |  |  | 18,892 |
Buildings and improvements | 59,047 |  |  | 55,011 |
Intangibles | 329 |  |  | 329 |
Subtotal | 78,268 |  |  | 74,232 |
Less: accumulated depreciation and amortization | 9,839 |  |  | 9,045 |
Total | $ | 68,429 |  |  | 65,187 |

X
- Definition Tabular disclosure of real estate investments. + References No definition available. + Details
Name: | sjw_ScheduleOfRealEstateInvestmentsTableTextBlock
Namespace Prefix: | sjw_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RealEstateInvestmentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration