Regulatory Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2019

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

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

	Recovery Period	June 30, 2019		December 31, 2018
Regulatory Assets
Pension and retiree group health	Indefinitely	$	156,618	$	156,947
Property-related temporary differences (tax benefits flowed through to customers)	Indefinitely	100,626		99,376
Other accrued benefits	Indefinitely	21,342		20,588
Net WRAM and MCBA long-term accounts receivable	1-2 years	30,460		17,134
Asset retirement obligations, net	Indefinitely	19,140		18,197
Interim rates long-term accounts receivable	1 year	4,642		4,642
Tank coating	10 years	12,559		11,196
Health care balancing account	1 year	442		442
Pension balancing account	1 year	18,211		16,494
Other components of net periodic benefit cost	Indefinitely	3,983		3,221
Other regulatory assets	Various	5,596		5,332
Total Regulatory Assets		$	373,619	$	353,569
Regulatory Liabilities
Future tax benefits due to customers		$	180,141	$	180,205
Health care balancing account		3,817		3,516
Conservation program		6,599		6,880
Net WRAM and MCBA long-term payable		120		222
Tax accounting memorandum account		765		5,039
Cost of capital memorandum account		147		2,834
1,2,3 trichloropropane settlement proceeds		10,950		12,142
Other regulatory liabilities		221		437
Total Regulatory Liabilities		$	202,760	$	211,275