REGULATORY ASSETS AND LIABILITIES REGULATORY ASSETS AND LIABILITIES 2 (Details) (USD $)	1 Months Ended
	Sep. 30, 2010	Dec. 31, 2013	Dec. 31, 2012
Regulatory Liabilities [Line Items]
Regulatory Liabilities		$ 60,949,000	$ 56,517,000
Excess Plant Removal Costs [Member]
Regulatory Liabilities [Line Items]
Regulatory Liabilities		40,029,000	45,593,000
Annual amortization reflected in depreciation expense	1,200,000
Deferred Revenues - Net [Member]
Regulatory Liabilities [Line Items]
Regulatory Liabilities		19,067,000	10,924,000
Other Regulatory Liabilities [Member]
Regulatory Liabilities [Line Items]
Regulatory Liabilities		$ 1,853,000	$ 0