QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Data (Unaudited)

The Company's common stock is traded on the New York Stock Exchange under the symbol "CWT".

2019	First			Second		Third		Fourth
Operating revenue	$	126,111		$	179,031	$	232,537	$	176,878
Net operating income	476			27,013		51,567		20,356
Net (loss) income	(7,640		)	16,996		42,424		11,336
Diluted (loss) earnings per share	(0.16		)	0.35		0.88		0.24
Common stock market price range:
High	55.05			54.56		57.48		56.49
Low	44.60			48.00		49.52		48.78
Dividends paid per common share	0.1975			0.1975		0.1975		0.1975

2018	First			Second		Third		Fourth
Operating revenue	$	134,553		$	174,938	$	221,288	$	167,417
Net operating income	9,836			26,839		47,329		26,536
Net (loss) income	(762		)	14,805		36,173		15,368
Diluted (loss) earnings per share	(0.02		)	0.31		0.75		0.32
Common stock market price range:
High	45.85			41.65		42.95		49.07
Low	35.25			35.60		38.85		40.10
Dividends paid per common share	0.1875			0.1875		0.1875		0.1875