Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2016

Retirement Plans

Schedule of projected benefit obligation

        Following is the plan's projected benefit obligation at December 31, 2016 and 2015.(amounts in thousands):

	2016			2015
Projected benefit obligation:
Balance, beginning of the year	$	2,865		$	2,682
Service cost		109			112
Interest cost		104			102
Actuarial (gain) loss		(45	)		53
Benefits paid to participants		(6	)		(84	)
Balance, end of year	$	3,027		$	2,865

Schedule of funded status of the plan

        At December 31, 2016, 2015 and 2014, the funded status of the plan was as follows (amounts in thousands):

	2016			2015			2014
Excess of benefit obligation over the value of plan assets	$	(3,027	)	$	(2,865	)	$	(2,682	)
Unrecognized net actuarial loss		818			905			904
Unrecognized prior service cost		52			69			86
Accrued benefit cost	$	(2,157	)	$	(1,891	)	$	(1,692	)

Schedule of amounts recognized in the consolidated balance sheets

        At December 31, 2016 and 2015, the amounts recognized in the consolidated balance sheets were classified as follows (amounts in thousands):

	2016			2015
Accrued benefit cost	$	(3,027	)	$	(2,865	)
Accumulated other comprehensive loss		870			974
Net amount recognized	$	(2,157	)	$	(1,891	)

Schedule of benefits expected to be paid in each of the next five years and thereafter

        The benefits expected to be paid in each of the next five years and thereafter are as follows (amounts in thousands):

Years Ending December 31,	Amount
2017	$	186
2018		246
2019		121
2020		123
2021		205
2022 through 2025		870
	$	1,751

Schedule of weighted-average rates used

	2016			2015
Discount rate on the benefit obligation		3.78	%		3.90	%
Rate of employee compensation increase		4.00	%		4.00	%

Schedule of pension expenses

        Pension expense for the years ended December 31, 2016, 2015 and 2014, consists of the following (amounts in thousands):

	2016		2015		2014
Service cost	$	109	$	112	$	82
Interest cost		104		102		105
Expected return on plan assets		—		—		—
Recognized actuarial loss (gain)		—		—		—
Amortization of prior service cost		17		17		17
Net loss amortization		42		51		27
	$	272	$	282	$	231

Schedule of further information about the Plan

        Further information about the Plan is presented in the table below (amounts in thousands):

			Pension Protection Act Zone Status	Funding Improvement Plan/Rehabilitation Plan	WAPA's Contribution							Expiration Date of Collective Bargaining Agreements
											Surcharge Imposed
Pension Fund	EIN		2013	Status	2016		2015		2014
TNGIPP (Plan No. 001)		52-1082662	Red	Implemented	$	156	$	151	$	144	Yes	July 21, 2015 June 27, 2016