Regulatory Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

Regulatory assets and liabilities were comprised of the following as of March 31, 2020 and December 31, 2019:

	Recovery Period	March 31, 2020		December 31, 2019
Regulatory Assets
Pension and retiree group health	Indefinitely	$	208,157	$	208,321
Property-related temporary differences (tax benefits flowed through to customers)	Indefinitely	105,600		104,931
Other accrued benefits	Indefinitely	20,885		20,030
Net WRAM and MCBA long-term accounts receivable	1-2 years	31,693		25,465
Asset retirement obligations, net	Indefinitely	20,045		19,567
Interim rates long-term accounts receivable	1 year	4,642		4,642
Tank coating	10 years	14,426		13,535
Recoverable property losses	10 years	4,856		5,000
PCBA	1 year	21,465		21,465
Other components of net periodic benefit cost	Indefinitely	5,503		5,145
Other regulatory assets	Various	5,547		5,221
Total Regulatory Assets		$	442,819	$	433,322
Regulatory Liabilities
Future tax benefits due to customers		$	194,459	$	194,501
HCBA		4,271		4,271
CEBA		559		2,742
Net WRAM and MCBA long-term payable		135		211
Tax accounting memorandum account		853		806
Cost of capital memorandum account		154		151
1,2,3 trichloropropane (TCP) settlement proceeds		9,491		8,426
Other regulatory liabilities		345		305
Total Regulatory Liabilities		$	210,267	$	211,413