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REGULATORY LIABILITIES (Tables) | 3 Months Ended
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Mar. 31, 2018
REGULATORY LIABILITIES [Abstract] |
Schedule of Regulatory Liabilities [Table Text Block] |
Regulatory liabilities comprise: |
|  | (in thousands) |
|  | March 31, 2018 |  |  | December 31, 2017 |
Postretirement benefit obligation |  | $ | 112 |  |  | $ | 112 |
Utility plant retirement cost obligation |  |  | 550 |  |  |  | 549 |
Deferred income taxes (related to TCJA) |  |  | 22,540 |  |  |  | 22,540 |
|  | $ | 23,202 |  |  | $ | 23,201 |

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- Definition Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 980 -SubTopic 405 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6500807&loc=d3e48068-110394 + Details
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