PENSION PLAN AND OTHER BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2017

Pension Plan

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Change in Benefit Obligation

The following table presents (1) changes in the plan's projected benefit obligation and plan assets, and (2) the plan's funded status at December 31, 2017 and 2016 (in thousands):

Change in projected benefit obligation:	2017			2016
Benefit obligation at beginning of year	$	39,791		$	43,797
Service cost	—			1,047
Interest cost	1,646			1,883
Actuarial (gain) loss	2,634			913
Curtailments	—			(6,161		)
Benefits paid	(1,831		)	(1,688		)
Benefit obligation at end of year	$	42,240		$	39,791

Change in Plan Assets

Change in plan assets:	2017			2016
Fair value of plan assets at beginning of year	$	41,560		$	39,951
Actual return on plan assets	6,943			3,297
Employer contributions	—			—
Benefits paid	(1,831		)	(1,688		)
Fair value of plan assets at end of year	$	46,672		$	41,560
Funded status	$	4,432		$	1,769

Amount Recognized in Accumulated Other Comprehensive Income

Amount recognized in accumulated other comprehensive income (loss) at December 31, 2017 and 2016 consist of the following (in thousands):

	2017		2016
Net actuarial loss	$	9,356	$	10,788
Prior service cost	—		—
Total before tax effects	$	9,356	$	10,788

Assumptions Used in Determining Benefit Obligation

The principal actuarial assumptions used in determining the projected benefit obligation as of December 31, 2017, 2016 and 2015 were as follows:

	2017		2016		2015
Discount rate	3.74	%	4.16	%	4.39	%
Assumed rate of future compensation increase	N/A		N/A		5.00	%

Components of Net Periodic Benefit Cost

Components of net periodic benefit cost and other amounts recognized in other comprehensive income (loss) in 2017, 2016 and 2015 consist of the following (in thousands):

Net periodic benefit cost	2017			2016			2015
Service cost, benefits earned during the year	$	—		$	1,047		$	1,231
Interest cost on projected benefit obligation	1,646			1,883			1,806
Expected return on plan assets	(3,144		)	(3,019		)	(3,287		)
Amortization of net loss	267			1,549			1,414
Amortization of  prior service cost	—			7			7
Net periodic cost (benefit)	$	(1,231	)	$	1,467		$	1,171

Schedule of Other Amounts Recognized in Other Comprehensive Income

Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss):	2017			2016			2015
Net actuarial (gain) loss	$	(1,165	)	$	(5,526	)	$	1,888
Recognized loss	(267		)	(1,549		)	(1,414		)
Amortization of prior service cost	—			(7		)	(7		)
Total recognized in other comprehensive income (loss) (before tax effect)	$	(1,432	)	$	(7,082	)	$	467
Total recognized in net (benefit) cost and other comprehensive income (loss) (before tax effect)	$	(2,663	)	$	(5,615	)	$	1,638

Amounts Expected to be Recognized in Net Periodic Cost

Amounts expected to be recognized in net periodic cost during 2018 (in thousands):
Loss recognition	$	174
Prior service cost recognition	$	—

Assumptions Used in Determining Net Periodic Benefit Cost

The principal actuarial assumptions used in determining the net periodic benefit cost for the years ended December 31, 2017, 2016 and 2015 were as follows:

	2017		2016		2015
Discount rate	4.16	%	4.39	%	4.09	%
Expected long-term rate of return on assets	7.75	%	7.75	%	7.75	%
Assumed rate of future compensation increase	N/A		5.00	%	5.00	%

Target Assets Allocations

The expected return on plan assets was determined based on a CAPM using historical and expected future returns of the various asset classes, reflecting the target allocations described below.

Asset Class	Target Allocation 2017	Percentage of Plan Assets at December 31,				Expected Long-Term Rate of Return
		2017		2016
Large cap domestic equities	30% - 60%	40	%	57	%	10.3	%
Mid-cap domestic equities	0% - 20%	6	%	5	%	10.6	%
Small-cap domestic equities	0% - 15%	7	%	2	%	10.8	%
International equities	0% - 25%	13	%	7	%	10.3	%
Intermediate fixed income	20% - 50%	29	%	26	%	4.7	%
Alternative assets	0% - 10%	—	%	—	%	7.5	%
Cash	0% - 20%	5	%	3	%	2.5	%
Total		100	%	100	%

Fair Value of Plan Assets

The fair value of the plan assets at December 31, 2017 and 2016, by asset class are as follows (in thousands):

			Fair Value Measurement at December 31, 2017 Using
Plan Assets	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash	$	2,066	$	2,066	$	—	$	—
Equity securities:
U.S. companies	20,865		20,865		—		—
International companies	—		—		—		—
Mutual funds	19,253		19,253		—		—
Debt securities:
U.S. Treasuries/Government bonds	2,217		—		2,217		—
U.S. Corporate bonds	2,271		—		2,271		—
Total plan assets	$	46,672	$	42,184	$	4,488	$	—

			Fair Value Measurement at December 31, 2016 Using
Plan Assets	Carrying Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Cash	$	1,324	$	1,324	$	—	$	—
Equity securities:
U.S. companies	19,972		19,972		—		—
International companies	847		847		—		—
Mutual funds	14,680		14,680		—		—
Debt securities:
U.S. Treasuries/Government bonds	2,218		—		2,218		—
U.S. Corporate bonds	2,519		—		2,519		—
Total plan assets	$	41,560	$	36,823	$	4,737	$	—

Estimated Benefit Payments

The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten for the pension plan (in thousands):

Calendar Year	Future Expected Benefit Payments
2018	$	2,200
2019	$	2,244
2020	$	2,270
2021	$	2,301
2022	$	2,326
2023-2027	$	11,829

Defined Benefit Health Care Plan

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Change in Benefit Obligation

The following table presents (1) changes in the plan's accumulated postretirement benefit obligation and (2) the plan's funded status at December 31, 2017 and 2016 (in thousands):

Changes in accumulated postretirement benefit obligation:	2017			2016
Accumulated postretirement benefit obligation - beginning of year	$	423		$	1,664
Service cost	—			43
Interest cost	20			66
Participant contributions	76			87
Amendments	—			(1,101		)
Actuarial (gain) loss	98			138
Benefits paid	(176		)	(474		)
Accumulated postretirement benefit obligation at end of year	$	441		$	423

Change in Plan Assets

Change in plan assets:	2017			2016
Fair value of plan assets at beginning of year	$	—		$	—
Employer contribution	100			387
Plan participants’ contributions	76			87
Benefits paid	(176		)	(474		)
Fair value of plan assets at end of year	$	—		$	—
Unfunded status	$	(441	)	$	(423	)

Amount Recognized in Accumulated Other Comprehensive Income

Amount recognized in accumulated other comprehensive income (loss) at December 31, 2017 and 2016 consist of the following (in thousands):

	2017			2016
Net actuarial loss	$	592		$	636
Prior service credit	(881		)	(1,101		)
Total before tax effects	$	(289	)	$	(465	)

Components of Net Periodic Benefit Cost

The components of net periodic postretirement benefit cost for the years ended December 31, 2017, 2016 and 2015 are as follows (in thousands):

Net periodic cost (benefit)	2017			2016			2015
Service cost	$	—		$	43		$	46
Interest cost	20			66			70
Amortization of prior service benefit	(220		)	(97		)	(97		)
Recognized actuarial loss	143			20			20
Recognized prior service benefit due to curtailments	—			(337		)	—
Net periodic postretirement cost (benefit)	$	(57	)	$	(305	)	$	39

Schedule of Other Amounts Recognized in Other Comprehensive Income

Other changes in plan assets and benefit obligations   recognized  in other comprehensive income (loss):	2017			2016			2015
Net actuarial gain	$	98		$	139		$	216
Recognized actuarial loss	(143		)	(20		)	(20		)
Prior service credit	—			(1,101		)	—
Amortization of  prior service benefit	220			434			97
Total recognized in other comprehensive income (loss)(before tax effect)	$	175		$	(548	)	$	293
Total recognized in net benefit cost and other comprehensive income (loss) (before tax effect)	$	118		$	(853	)	$	332

Amounts Expected to be Recognized in Net Periodic Cost

Amounts expected to be recognized in net periodic cost during 2018 (in thousands):
Loss recognition	$	110
Prior service cost recognition	$	(220	)

Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates

Assumed health care cost trend rates have a significant effect on the amounts reported for the health care plan.  A one-percentage point change in assumed health care cost trend rates would have the following effects (in thousands):

Effect of a 1% increase in health care trend rate on:	2017		2016		2015
Benefit obligation	$	5	$	2	$	3
Total service and interest cost	$	—	$	—	$	—

Effect of a 1% decrease in health care trend rate on:	2017			2016			2015
Benefit obligation	$	(6	)	$	(3	)	$	(3	)
Total service and interest cost	$	—		$	—		$	—

Weighted-Average Assumption for Disclosure of Health Care Cost Trend

Weighted-average assumption for disclosure as of December 31:	2017		2016		2015
Discount rate	3.74	%	4.16	%	4.39	%
Health care cost trend: Initial	6.50	%	6.50	%	7.00	%
Health care cost trend: Ultimate	5.00	%	5.00	%	5.00	%
Year ultimate cost trend reached	2021		2020		2019

Weighted-Average Assumption for Net Periodic Cost

Weighted-average assumptions for net periodic cost as of December 31:	2017		2016		2015
Discount rate	4.16	%	4.39	%	4.09	%
Health care cost trend: Initial	6.50	%	7.00	%	7.00	%
Health care cost tread: Ultimate	5.00	%	5.00	%	5.00	%
Year ultimate reached	2020		2019		2018

Estimated Benefit Payments

The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten (in thousands):

Calendar Year	Future Estimated Benefit Payments
2018	$	139
2019	$	111
2020	$	59
2021	$	38
2022	$	28
2023-2027	$	77

Executive Supplemental Pension Plan

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Change in Benefit Obligation

The following table presents Executive Supplemental Pension plan status at December 31, 2017 and 2016 (in thousands):

Change in projected benefit obligation:	2017			2016
Benefit obligation at beginning of year	$	1,248		$	1,210
Service cost	—			43
Interest cost	50			51
Actuarial (gain) loss	66			19
Benefits paid	(75		)	(75		)
Projected benefit obligation at end of year	$	1,289		$	1,248

Change in Plan Assets

Changes in plan assets:	2017			2016
Fair value of plan assets at beginning of year	$	—		$	—
Employer contributions	75			75
Benefits paid	(75		)	(75		)
Fair value of plan assets at end of year	$	—		$	—
Unfunded status	$	(1,289	)	$	(1,248	)

Amount Recognized in Accumulated Other Comprehensive Income

Amounts recognized in accumulated other comprehensive income (loss) at December 31, 2017 and 2016 consist of the following (in thousands):

	2017		2016
Net actuarial loss	$	228	$	165
Prior service cost	—		—
Total before tax effects	$	228	$	165

Assumptions Used in Determining Benefit Obligation

Accumulated benefit obligation at December 31, 2017 and 2016 was $1.3 million.

Weighted-average assumption for disclosure as of December 31:	2017		2016		2015
Discount rate	3.74	%	4.16	%	4.39	%
Assumed rate of future compensation increase	N/A		N/A		5.00	%

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost for the years ended December 31, 2017, 2016 and 2015 are as follows (in thousands):

Net periodic benefit cost	2017		2016		2015
Service cost	$	—	$	43	$	44
Interest cost	50		51		49
Recognized actuarial loss	3		26		50
Net periodic postretirement benefit cost	$	53	$	120	$	143

Schedule of Other Amounts Recognized in Other Comprehensive Income

Other changes in plan assets and benefit obligation recognized in other comprehensive income (loss):	2017			2016			2015
Net actuarial (gain) loss	$	66		$	18		$	(52	)
Recognized actuarial loss	(3		)	(26		)	(50		)
Total recognized in other comprehensive income (loss) (before tax effect)	$	63		$	(8	)	$	(102	)
Total recognized in net benefit cost and other comprehensive income (loss) (before tax effect)	$	116		$	112		$	41

Amounts Expected to be Recognized in Net Periodic Cost

Amounts expected to be recognized in net periodic cost during 2018 (in thousands):
Loss recognition	$	7
Prior service cost recognition	$	—

Assumptions Used in Determining Net Periodic Benefit Cost

Weighted-average assumptions for net periodic cost as of December 31:	2017		2016		2015
Discount rate	4.16	%	4.39	%	4.09	%
Salary scale	N/A		N/A		5.00	%

Estimated Benefit Payments

The following table presents the estimated benefit payments for each of the next five years and the aggregate amount expected to be paid in years six through ten for the Supplemental Pension Plan (in thousands):

Calendar Year	Future Estimated Benefit Payments
2018	$	109
2019	$	107
2020	$	106
2021	$	104
2022	$	101
2023-2027	$	456