Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

The following table presents the changes in the plan’s projected benefit obligation, fair value of plan assets, and funded status for the years ended December 31 (in thousands):



	2016			2015			2014
Projected benefit obligation at January 1	$	1,685		$	1,961		$	2,179
Interest cost	59			66			88
Actuarial losses (gains)	5			(39		)	9
Benefits paid	(372		)	(303		)	(315		)
Projected benefit obligation at December 31	1,377			1,685			1,961
Fair value of plan assets	—			—			—
Under funded status	(1,377		)	(1,685		)	(1,961		)
Unamortized prior service cost	4			10			24
Unrecognized actuarial gain	(200		)	(218		)	(179		)
Net amount recognized	$	(1,573	)	$	(1,893	)	$	(2,116	)

Schedule of Defined Benefit Plan, Amounts Recognized in Consolidated Financial Statements

Amounts recognized in the consolidated financial statements consisted of (in thousands):



Accrued pension liability:
Current portion	$	(360	)	$	(372	)	$	(395	)
Long term portion	(1,016		)	(1,313		)	(1,566		)
Pre-tax accumulated other comprehensive income – retirement benefit liability adjustment	(197		)	(208		)	(155		)
Net amount recognized	$	(1,573	)	$	(1,893	)	$	(2,116	)

Components of Net Periodic Pension and Other Post-Retirement Benefit Costs Charged to Expense

Components of net periodic pension cost for the years ended December 31 were as follows (in thousands):



	2016			2015			2014
Interest cost	$	59		$	66		$	88
Amortization of unrecognized prior service cost	6			14			15
Gain amortization	(13		)	—			—
Net periodic pension cost	$	52		$	80		$	103
Assumptions used to calculate the benefit obligation:
Discount rate	3.81		%	3.94		%	3.74		%

Schedule of Expected Benefit Payments

Expected benefit payments from the plan for the years ended December 31 are as follows (in thousands):



2017	$	360
2018	$	327
2019	$	228
2020	$	137
2021	$	100
Years 2022 - 2026	$	392

Schedule of Multiemployer Plans

The Company’s participation in these plans for the year ended December 31, 2016 is outlined in the table below. The “EIN/ Pension Plan Number” column provides the Employee Identification Number (EIN) and three-digit plan number, if applicable. Unless otherwise noted, the most recent Pension Protection Act (PPA) zone status available in 2016 and 2015 is for the plan’s year ended December 31, 2015 and 2014, respectively. The zone status is based on information that the Company received from the plans and is certified by the plans’ actuaries. Among other factors, plans in the red zone are generally less than 65% funded, plans in the yellow zone are less than 80% funded, and plans in the green zone are at least 80% funded.



	EIN/ Pension	PPA Zone Status		Surcharge
Pension Fund	Plan Number	2015	2014	Imposed
National Integrated Group Pension Plan	22-6190618-001	Red	Red	Yes
Sheet Metal Workers’ National Pension Plan	52-6112463-001	Yellow	Yellow	Yes
Sheet Metal Workers’ Pension Plan of Northern California	51-6115939-001	Red	Red	No

Schedule of Contributions Made by the Company to Each Multiemployer Plan

The table below sets forth the contributions made by the Company to each multiemployer plan for the years ended December 31 (in thousands):



Pension Fund	2016		2015		2014
National Integrated Group Pension Plan	$	218	$	246	$	233
Sheet Metal Workers’ National Pension Plan	50		56		61
Sheet Metal Workers’ Pension Plan of Northern California	28		31		35
	$	296	$	333	$	329

Schedule of Total Expense for All Retirement Plans

Total expense for all retirement plans for the years ended December 31 was (in thousands):



2016		2015		2014
$	2,887	$	2,934	$	2,816