EMPLOYEE RETIREMENT PLANS (Tables)

12 Months Ended

Dec. 31, 2018

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

Information Relating to the Company's Plan

Information relating to the Company’s plan is as follows (in thousands):

	Year Ended December 31,
	2018		2017
Change in benefit obligation:
Benefit obligation, beginning of year	$	33,176	$	27,563
Service cost		1,301		1,214
Interest cost		1,047		1,013
Actuarial loss		8,531		2,952
Plan amendment		—		434
Benefit obligation, end of year		44,055		33,176
Fair value of plan assets		—		—
Unfunded status of the plan, end of year	$	44,055	$	33,176
Current liability		—		—
Noncurrent liability	$	44,055	$	33,176

Components of Net Periodic Pension Cost

The components of net periodic pension cost were as follows (in thousands):

	Year Ended December 31,
	2018		2017		2016
Service cost	$	1,301	$	1,214	$	1,415
Interest cost		1,047		1,013		875
Amortization of prior service cost		1,683		1,667		1,660
Amortization of loss		435		457		15
Total net periodic benefit cost	$	4,466	$	4,351	$	3,965

Assumptions Used to Determine Benefit Obligation and Net Periodic Pension Cost

Assumptions used to determine the year end benefit obligation were as follows:

	Year Ended December 31,
	2018			2017
Discount rate		3.82	%		3.22	%
Rate of compensation increases		3.50	%		3.50	%

Assumptions used to determine the net periodic pension cost were as follows:

	Year Ended December 31,
	2018			2017			2016
Discount rate		3.22	%		3.41	%		3.57	%
Rate of compensation increases		3.50	%		3.50	%		3.50	%

Amounts to be Amortized from Accumulated Other Comprehensive Loss into Net Periodic Pension Cost in Next Fiscal Year

The estimated amounts to be amortized from accumulated other comprehensive loss into the net periodic pension cost in 2019 are as follows (in thousands):

Amortization of prior service cost	$	1,595
Amortization of loss		1,642
Total	$	3,237

Benefit Payments Expected to be Paid

Benefit payments, which reflect estimated future service, are currently expected to be paid as follows (in thousands):

Year	Projected Benefits
2019	$	—
2020		3,551
2021		3,640
2022		4,122
2023		4,427
2024-2028		25,977
Thereafter		23,647