LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2018

Long-term Debt, Unclassified [Abstract]

Schedule of long-term debt outstanding

As of December 31, 2018 and 2017, long-term debt outstanding was:

	Series	Interest Rate		Maturity Date	2018			2017
First Mortgage Bonds	TTT	4.610	%	2056	$	10,000		$	10,000
	SSS	4.410	%	2046	40,000			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
	UUU	3-month LIBOR plus 70 basis points		2020	300,000			—
	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
	GGG	5.290	%	2022	7,273			9,091
	HHH	5.290	%	2022	7,273			9,091
	III	5.540	%	2023	4,546			5,454
	JJJ	5.440	%	2018	—			909
	LLL	5.480	%	2018	—			10,000
	OOO	6.020	%	2031	20,000			20,000
	CC	9.860	%	2020	16,800			16,900
Total First Mortgage Bonds					805,892			521,445
California Department of Water Resources Loans		2.6% to 8.0%		2018 - 32	5,830			6,201
Other long-term debt					6,978			7,956
Unamortized debt issuance costs					(3,762		)	(3,889		)
Total long-term debt, net					814,938			531,713
Less current maturities, net					104,911			15,920
Long-term debt excluding current maturities, net					$	710,027		$	515,793