Regulatory Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2016

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

Regulatory assets and liabilities were comprised of the following as of June 30, 2016 and December 31, 2015:

	June 30, 2016		December 31, 2015
Regulatory Assets
Pension and retiree group health	$	205,285	$	205,614
Property-related temporary differences (tax benefits flowed through to customers)	81,522		81,522
Other accrued benefits	28,058		27,327
Net WRAM and MCBA long-term accounts receivable	14,716		15,410
Asset retirement obligations, net	15,329		14,682
Interim rates long-term accounts receivable	4,697		5,238
Tank coating	8,036		6,829
Health care balancing account	3,809		3,503
Other regulatory assets	1,869		1,768
Total Regulatory Assets	$	363,321	$	361,893
Regulatory Liabilities
Future tax benefits due to customers	$	29,505	$	29,505
Conservation program	2,673		2,317
Pension balancing account	3,159		792
Net WRAM and MCBA long-term payable	5,656		488
Other regulatory liabilities	2,955		2,162
Total Regulatory Liabilities	$	43,948	$	35,264