LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2016

Long-term Debt, Unclassified [Abstract]

Schedule of long-term debt outstanding

As of December 31, 2016 and 2015, long-term debt outstanding was:

	Series	Interest Rate		Maturity Date	2016			2015
First Mortgage Bonds	TTT	4.610	%	2056	$	10,000		$	—
	SSS	4.410	%	2046	40,000			—
	QQQ	3.330	%	2025	50,000			50,000
	RRR	4.310	%	2045	50,000			50,000
	PPP	5.500	%	2040	100,000			100,000
	LL	5.875	%	2019	100,000			100,000
	AAA	7.280	%	2025	20,000			20,000
	BBB	6.770	%	2028	20,000			20,000
	CCC	8.150	%	2030	20,000			20,000
	DDD	7.130	%	2031	20,000			20,000
	EEE	7.110	%	2032	20,000			20,000
	FFF	5.900	%	2017	20,000			20,000
	GGG	5.290	%	2022	10,909			12,727
	HHH	5.290	%	2022	10,909			12,727
	III	5.540	%	2023	6,364			7,273
	JJJ	5.440	%	2018	1,818			2,727
	LLL	5.480	%	2018	10,000			10,000
	OOO	6.020	%	2031	20,000			20,000
	CC	9.860	%	2020	17,000			17,100
Total First Mortgage Bonds					547,000			502,554
California Department of Water Resources Loans		2.6% to 8%		2017- 32	6,519			6,857
Other Long-term debt					8,909			9,476
Unamortized debt issuance costs					(4,475		)	(4,842		)
Total long-term debt					557,953			514,045
Less current maturities					26,208			6,043
Long-term debt excluding current maturities					$	531,745		$	508,002