XML 45 R29.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Regulatory Matters (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Regulated Operations [Abstract] |
Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations | Regulatory assets, less regulatory liabilities, included in the consolidated balance sheets are as follows:
|  | December 31,
(dollars in thousands) |  | 2015 |  | 2014
GSWC |  |  |  |  |  |
Water Revenue Adjustment Mechanism, net of Modified Cost Balancing Account |  | $ | 45,171 |  |  | $ | 9,369 |
Base Revenue Requirement Adjustment Mechanism |  | 3,714 |  |  | 7,761 |
Costs deferred for future recovery on Aerojet case |  | 12,699 |  |  | 13,629 |
Pensions and other post-retirement obligations (Note 11) |  | 21,996 |  |  | 43,426 |
Derivative unrealized loss (Note 4) |  | 7,053 |  |  | 3,339 |
Flow-through taxes, net (Note 10) |  | 16,176 |  |  | 17,612 |
Low income rate assistance balancing accounts |  | 8,699 |  |  | 9,109 |
Other regulatory assets |  | 21,954 |  |  | 23,259 |
Various refunds to customers |  | (4,766 | ) |  | (1,800 | )
Total |  | $ | 132,696 |  |  | $ | 125,704 |

X
- Definition Tabular disclosure of regulatory assets, less regulatory liabilities, included in consolidated balance sheets for continuing operations. + References No definition available. + Details
Name: | awr_ScheduleOfRegulatoryAssetsLiabilitiesTableTextBlock
Namespace Prefix: | awr_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RegulatedOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration