Regulatory Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2019

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

Regulatory assets and liabilities were comprised of the following as of September 30, 2019 and December 31, 2018:

	Recovery Period	September 30, 2019		December 31, 2018
Regulatory Assets
Pension and retiree group health	Indefinitely	$	156,453	$	156,947
Property-related temporary differences (tax benefits flowed through to customers)	Indefinitely	100,943		99,376
Other accrued benefits	Indefinitely	21,183		20,588
Net WRAM and MCBA long-term accounts receivable	1-2 years	30,454		17,134
Asset retirement obligations, net	Indefinitely	19,619		18,197
Interim rates long-term accounts receivable	1 year	4,642		4,642
Tank coating	10 years	13,745		11,196
Recoverable property losses	10 years	5,539		1,275
Pension balancing account	1 year	20,158		16,494
Other components of net periodic benefit cost	Indefinitely	4,641		3,221
Other regulatory assets	Various	5,107		4,499
Total Regulatory Assets		$	382,484	$	353,569
Regulatory Liabilities
Future tax benefits due to customers		$	180,207	$	180,205
Health care balancing account		4,315		3,516
Conservation program		5,659		6,880
Net WRAM and MCBA long-term payable		67		222
Tax accounting memorandum account		785		5,039
Cost of capital memorandum account		148		2,834
1,2,3 trichloropropane settlement proceeds		9,204		12,142
Other regulatory liabilities		272		437
Total Regulatory Liabilities		$	200,657	$	211,275