Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2022

Regulated Operations [Abstract]

Schedule of regulatory assets, less regulatory liabilities in the consolidated balance sheets for continuing operations

Regulatory liabilities, less regulatory assets, included in the consolidated balance sheets are as follows:

	December 31,
(dollars in thousands)	2022		2021
GSWC
Water Revenue Adjustment Mechanism, net of the Modified Cost Balancing Account	$	31,803	$	13,326
Pensions and other post-retirement obligations (Note 12)	738		25,212
COVID-19 memorandum account	3,478		1,663
Other regulatory assets	19,226		16,949
Excess deferred income taxes (Note 11)	(71,870)		(73,000)
Flow-through taxes, net (Note 11)	(1,134)		(5,552)
Other regulatory liabilities	(8,815)		(2,680)
Total GSWC	$	(26,574)	$	(24,082)
BVESI
Derivative instrument memorandum account (Note 5)	(11,847)		(4,441)
Wildfire mitigation and other fire prevention related costs memorandum accounts	13,007		8,557
Other regulatory assets	7,965		5,359
Other regulatory liabilities	(8,005)		(8,189)
Total AWR	$	(25,454)	$	(22,796)