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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2012
Schedule of Carrying Value of Goodwill | The carrying value of goodwill as of December 31, 2012 and 2011 was as follows:
|  | December 31, |  |  | December 31, |
(in thousands) |  | 2012 |  |  | 2011 |
Regulated Energy |  | $ | 3,216 |  |  | $ | 3,216 |
Unregulated Energy |  |  | 874 |  |  |  | 874 |
Total |  | $ | 4,090 |  |  | $ | 4,090 |
Schedule of Carrying Value and Accumulated Amortization of Intangible Assets | The carrying value and accumulated amortization of intangible assets subject to amortization as of December 31, 2012 and 2011 are as follows:
|  | December 31, 2012 |  |  | December 31, 2011 |
|  | Gross |  |  |  |  |  | Gross |  |  |  |
|  | Carrying |  |  | Accumulated |  |  | Carrying |  |  | Accumulated |
(in thousands) |  | Amount |  |  | Amortization |  |  | Amount |  |  | Amortization |
Customer list |  | $ | 3,500 |  |  | $ | 922 |  |  | $ | 3,500 |  |  | $ | 631 |
Other |  |  | 566 |  |  |  | 346 |  |  |  | 566 |  |  |  | 308 |
Total |  | $ | 4,066 |  |  | $ | 1,268 |  |  | $ | 4,066 |  |  | $ | 939 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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