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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] |  |
Allowance for funds used during construction | $ 75 | $ 81

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- Definition Cash inflow due to change during the period in the allowance for other funds used during construction classified as an investing activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 360 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500269&loc=d3e45485-110386 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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