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Utility Plant and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2013
Utility Plant and Intangible Assets |
Schedule of Registrant's utility plant utilized in continuing operations by major asset class | The following table shows Registrant’s utility plant by major asset class:
|  | GSWC December 31, |  | AWR December 31,
(dollars in thousands) |  | 2013 |  | 2012 |  | 2013 |  | 2012
Water |  |  |  |  |  |  |  |  |  |  |  |
Land |  | $ | 15,423 |  |  | $ | 15,357 |  |  | $ | 15,423 |  |  | $ | 15,357 |
Intangible assets |  | 34,001 |  |  | 33,731 |  |  | 34,019 |  |  | 33,750 |
Source of water supply |  | 75,651 |  |  | 72,020 |  |  | 75,651 |  |  | 72,020 |
Pumping |  | 147,390 |  |  | 142,586 |  |  | 147,390 |  |  | 142,586 |
Water treatment |  | 70,947 |  |  | 63,738 |  |  | 70,947 |  |  | 63,738 |
Transmission and distribution |  | 856,823 |  |  | 796,973 |  |  | 856,823 |  |  | 796,973 |
General |  | 107,274 |  |  | 103,308 |  |  | 116,346 |  |  | 112,206 |
|  | 1,307,509 |  |  | 1,227,713 |  |  | 1,316,599 |  |  | 1,236,630 |
Electric |  |  |  |  |  |  |  |  |  |  |  |
Transmission and distribution |  | 58,400 |  |  | 56,757 |  |  | 58,400 |  |  | 56,757 |
Generation |  | 12,547 |  |  | 12,547 |  |  | 12,547 |  |  | 12,547 |
General (1) |  | 8,413 |  |  | 8,349 |  |  | 8,413 |  |  | 8,349 |
|  | 79,360 |  |  | 77,653 |  |  | 79,360 |  |  | 77,653 |
Less — accumulated depreciation |  | (466,329 | ) |  | (437,949 | ) |  | (471,665 | ) |  | (442,316 | )
Construction work in progress |  | 56,754 |  |  | 45,720 |  |  | 57,183 |  |  | 45,824 |
Net utility plant |  | $ | 977,294 |  |  | $ | 913,137 |  |  | $ | 981,477 |  |  | $ | 917,791 |
(1) Includes intangible assets of $1.2 million for studies performed in association with the electricity segment of the Registrant’s operations for the years ended December 31, 2013 and 2012.
Schedule of components of intangible assets | As of December 31, 2013 and 2012, intangible assets consist of the following:
|  | Weighted Average Amortization |  | GSWC December 31, |  | AWR December 31,
(dollars in thousands) |  | Period |  | 2013 |  | 2012 |  | 2013 |  | 2012
Intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conservation |  | 24 years |  | $ | 9,496 |  |  | $ | 9,496 |  |  | $ | 9,496 |  |  | $ | 9,496 |
Water and service rights (2) |  | 25 years |  | 8,124 |  |  | 8,124 |  |  | 8,695 |  |  | 8,695 |
Water planning studies |  | 14 years |  | 17,214 |  |  | 16,945 |  |  | 17,214 |  |  | 16,945 |
Total amortized intangible assets |  |  |  | 34,834 |  |  | 34,565 |  |  | 35,405 |  |  | 35,136 |
Less — accumulated amortization |  |  |  | (22,459 | ) |  | (20,656 | ) |  | (22,530 | ) |  | (20,715 | )
Intangible assets, net of amortization |  |  |  | $ | 12,375 |  |  | $ | 13,909 |  |  | $ | 12,875 |  |  | $ | 14,421 |
Intangible assets not subject to amortization (3) |  |  |  | $ | 409 |  |  | $ | 409 |  |  | $ | 427 |  |  | $ | 427 |
Schedule of estimated future consolidated amortization expenses related to intangible assets | Estimated future consolidated amortization expenses related to intangible assets for the succeeding five years are (in thousands):
|  | Amortization Expense
2014 |  | $ | 2,436 |
2015 |  | 1,962 |
2016 |  | 1,487 |
2017 |  | 1,487 |
2018 |  | 1,487 |
Total |  | $ | 8,859 |
Schedule of reconciliation of the beginning and ending aggregate carrying amount of the asset retirement obligations | The following is a reconciliation of the beginning and ending aggregate carrying amount of asset retirement obligations, which are included in “Other Credits” on the balance sheets as of December 31, 2013 and 2012:
(dollars in thousands) |  | GSWC
Obligation at December 31, 2011 |  | $ | 2,989 |
Additional liabilities incurred |  | 48 |
Liabilities settled |  | (209 | )
Accretion |  | 190 |
Obligation at December 31, 2012 |  | $ | 3,018 |
Additional liabilities incurred |  | 11 |
Liabilities settled |  | (126 | )
Accretion |  | 192 |
Obligation at December 31, 2013 |  | $ | 3,095 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of indefinite and finite lived intangible assets by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the entity. + References No definition available. + Details
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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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