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Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Assumptions Used

Net periodic cost for the defined benefit plans and other postretirement benefits was calculated using the following weighted-average assumptions:

	Pension Benefits						Other Benefits
	2015		2014		2013		2015		2014		2013
	%		%		%		%		%		%
Discount rate	3.88		4.82		3.92		3.80		4.70		3.80
Expected return on plan assets	7.00		7.00		7.00		7.00		7.00		7.00
Rate of compensation increase	4.00		4.00		4.00		N/A		N/A		N/A

Benefit obligations for the defined benefit plans and other postretirement benefits were calculated using the following weighted-average assumptions as of December 31:

	Pension Benefits				Other Benefits
	2015		2014		2015		2014
	%		%		%		%
Discount rate	4.24		3.88		4.10		3.80
Rate of compensation increase	4.00		4.00		N/A		N/A

Schedule of Net Benefit Costs

Net periodic costs for the defined benefit plans and other postretirement benefits for the years ended December 31 was as follows:

	Pension Benefits										Other Benefits
	2015				2014			2013			2015				2014			2013
Components of net periodic benefit cost
Service cost	$	5,072			3,938			4,594			$	379			284			361
Interest cost	6,342				6,098			5,393			504				508			508
Expected return on assets	(6,984		)		(6,414	)		(5,289	)		(283		)		(268	)		(230	)
Amortization of prior service cost	376				376			394			197				197			197
Recognized actuarial loss	4,005				1,879			4,052			188				59			189
Net periodic benefit cost	$	8,811			5,877			9,144			$	985			780			1,025

Schedule of Net Funded Status

The projected benefit obligations and the funded status of San Jose Water Company's defined benefit pension and other postretirement plans as of December 31 were as follows:

	Pension Benefits							Other Benefits
	2015				2014			2015				2014
Change in benefit obligation
Benefit obligation at beginning of year	$	165,304			128,699			$	13,714			10,976
Service cost	5,072				3,938			379				284
Interest cost	6,342				6,098			504				508
Actuarial (gain)/loss	(7,436		)		31,161			2,231				2,322
Benefits paid	(5,014		)		(4,592	)		(408		)		(376	)
Benefit obligation at end of year	$	164,268			165,304			$	16,420			13,714
Change in plan assets
Fair value of assets at beginning of year	$	99,628			91,358			$	4,251			3,995
Actual return on plan assets	965				6,392			79				119
Employer contributions	9,374				6,470			468				434
Benefits paid	(5,014		)		(4,592	)		(336		)		(297	)
Fair value of plan assets at end of year	104,953				99,628			4,462				4,251
Funded status at end of year	$	(59,315	)		(65,676	)		$	(11,958	)		(9,463	)

Schedule of Amounts Recognized in Balance Sheet

The amounts recognized on the balance sheet as of December 31 were as follows:

	Pension Benefits							Other Benefits
	2015				2014			2015				2014
Current liabilities	$	957			883			$	86			69
Noncurrent liabilities	58,358				64,793			11,872				9,394
	$	59,315			65,676			$	11,958			9,463

Schedule of Regulatory Asset Recorded on the Projected Benefit Obligation of the Postretirement Benefit Plans

San Jose Water Company recorded a regulatory asset, including a gross-up for taxes, on the projected benefit obligation of the postretirement benefit plans as follows:

	2015				2014
Funded status of obligation	$	71,273			75,139
Accrued benefit cost	(6,587		)		(6,704	)
Amount to be recovered in future rates	64,686				68,435
Tax gross-up	44,482				47,059
Regulatory asset	$	109,168			115,494

Schedule of Estimated Amortization

The estimated amortization for the year ended December 31, 2016 is as follows:

	Pension Benefits				Other Benefits
Amortization of prior service cost	$	3,440			197
Amortization of loss	376				188
Total	$	3,816			385

Schedule of Allocation of Plan Assets

The following tables summarize the fair values of plan assets by major categories as of December 31, 2015 and 2014:

							Fair Value Measurements at December 31, 2015
Asset Category	Benchmark		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash and cash equivalents			$	9,500			$	9,500			$	—			$	—
Actively Managed (a):
All Cap Equity	Russell 3000 Value		4,067				4,041				26				—
U.S. Large Cap Equity	Russell 1000, Russell 1000 Growth, Russell 1000 Value		36,010				36,010				—				—
U.S. Mid Cap Equity	Russell Mid Cap, Russell Mid Cap Growth, Russell Mid Cap Value		5,886				5,886				—				—
U.S. Small Cap Equity	Russell 2000, Russell 2000 Growth, Russell 2000 Value, Russell 2500		5,188				5,188				—				—
Non-U.S. Large Cap Equity	MSCI EAFE		4,804				4,804				—				—
REIT	NAREIT—Equity REIT's		5,346				—				5,346				—
Fixed Income (b)	(b)		38,614				—				38,614				—
Total			$	109,415			$	65,429			$	43,986			$	—

___________________________________

The Plan has a current target allocation of 55% invested in a diversified array of equity securities to provide long-term capital appreciation and 45% invested in a diversified array of fixed income securities to provide preservation of capital plus generation of income.

(a) Actively managed portfolio of securities with the goal to exceed the stated benchmark performance.

(b) Actively managed portfolio of fixed income securities with the goal to exceed the Barclays 1-5 Year Government/Credit, Barclays Intermediate Government/Credit, and Merrill Lynch Preferred Stock Fixed Rate.

							Fair Value Measurements at December 31, 2014
Asset Category	Benchmark		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash and cash equivalents			$	6,811			$	6,811			$	—			$	—
Actively Managed (a):
All Cap Equity	Russell 3000 Value		4,266				4,237				29				—
U.S. Large Cap Equity	Russell 1000, Russell 1000  Growth, Russell 1000 Value		35,489				35,489				—				—
U.S. Mid Cap Equity	Russell Mid Cap, Russell Mid Cap Growth, Russell Mid Cap Value		6,069				6,069				—				—
U.S. Small Cap Equity	Russell 2000, Russell 2000 Growth, Russell 2000 Value		4,982				4,982				—				—
Non-U.S. Large Cap Equity	MSCI EAFE		4,758				4,758				—				—
REIT	NAREIT—Equity REIT's		5,069				—				5,069				—
Fixed Income (b)	(b)		36,435				—				36,435				—
Total			$	103,879			$	62,346			$	41,533			$	—

___________________________________

The Plan has a current target allocation of 55% invested in a diversified array of equity securities to provide long-term capital appreciation and 45% invested in a diversified array of fixed income securities to provide preservation of capital plus generation of income.

(a) Actively managed portfolio of securities with the goal to exceed the stated benchmark performance.

(b) Actively managed portfolio of fixed income securities with the goal to exceed the Barclays 1-5 Year Government/Credit, Barclays Intermediate Government/Credit, and Merrill Lynch Preferred Stock Fixed Rate.

Plan assets for the years ended December 31 were as follows:

	Pension Benefits							Other Benefits
	2015				2014			2015				2014
Fair value of assets at end of year:
Debt securities	$	37,088			35,034			$	1,527			1,401
	35		%		35	%		34		%		33	%
Equity securities	58,958				58,286			2,343				2,347
	56		%		59	%		53		%		55	%
Cash and equivalents	8,907				6,308			592				503
	9		%		6	%		13		%		12	%
Total	$	104,953			99,628			$	4,462			4,251

Schedule of Expected Benefit Payments

Benefits expected to be paid in the next five years and in the aggregate for the five years thereafter are:

	Pension Plan				Other Postretirement Benefit Plan
2016	$	5,879			$	660
2017	6,169				697
2018	6,546				734
2019	6,743				767
2020	7,191				795
2021 - 2025	42,464				3,705

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