Regulatory Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2016

Regulated Operations [Abstract]

Schedule of regulatory assets and liabilities

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

	September 30, 2016		December 31, 2015
Regulatory Assets
Pension and retiree group health	$	205,120	$	205,614
Property-related temporary differences (tax benefits flowed through to customers)	81,522		81,522
Other accrued benefits	28,917		27,327
Net WRAM and MCBA long-term accounts receivable	16,626		15,410
Asset retirement obligations, net	15,660		14,682
Interim rates long-term accounts receivable	4,640		5,238
Tank coating	8,594		6,829
Health care balancing account	776		3,503
Other regulatory assets	1,742		1,768
Total Regulatory Assets	$	363,597	$	361,893
Regulatory Liabilities
Future tax benefits due to customers	$	29,505	$	29,505
Conservation program	3,574		2,317
Pension balancing account	2,986		792
Net WRAM and MCBA long-term payable	2,260		488
Other regulatory liabilities	3,581		2,162
Total Regulatory Liabilities	$	41,906	$	35,264