REGULATORY ASSETS AND LIABILTIES (Tables)

12 Months Ended

Dec. 31, 2022

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

Regulatory assets and liabilities were comprised of the following as of December 31:

	Recovery Period	2022		2021
Regulatory Assets
Pension and retiree group health	Indefinitely	$	171	$	17,607
Property-related temporary differences (tax benefits flowed through to customers)	Indefinitely	143,546		130,565
Other accrued benefits	Indefinitely	24,946		23,280
Net WRAM and MCBA long-term accounts receivable	1-2 years	41,558		29,789
Asset retirement obligations, net	Indefinitely	24,548		22,935
IRMA long-term accounts receivable	1-2 years	3,682		9,032
Tank coating	Various	16,395		13,680
Recoverable property losses	7 Years	3,144		3,843
PCBA	Various	19,091		21,500
Other components of net periodic benefit cost	Indefinitely	—		3,342
General district balancing account receivable	Various	377		568
Customer assistance program (CAP) and Rate support fund (RSF) accounts receivable	1 year	2,965		5,991
Other regulatory assets	Various	3,197		3,560
Total Regulatory Assets		$	283,620	$	285,692
Regulatory Liabilities
Future tax benefits due to customers		$	131,155	$	135,027
Pension and retiree group health		58,678		27,294
HCBA		14,318		9,687
Conservation program		6,036		7,206
Net WRAM and MCBA long-term payable		172		143
Other components of net periodic benefit cost		2,475		353
Other regulatory liabilities		845		718
Total Regulatory Liabilities		$	213,679	$	180,428