Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Actuarial Assumptions Used to Determine the Actuarial Present Value of Projected Benefit Obligations

The following table presents the weighted average actuarial assumptions used to determine the actuarial present value of projected benefit obligations at:

	DECEMBER 31,
	2016		2015
Discount rate	4.00	%	4.00	%
Rate of future compensation increase	3.60	%	4.00	%

Actuarial Assumptions Used to Determine Net Periodic Benefit Cost

The following table presents the weighted average actuarial assumptions used to determine net periodic benefit cost for the years ended:

	DECEMBER 31,
	2016		2015		2014
Discount rate	4.00	%	3.75	%	3.75	%
Rate of future compensation increase	4.00	%	4.00	%	4.00	%

Components of Net Periodic Benefit Cost

The following table presents the components of net periodic benefit cost for the years ended (in thousands):

	DECEMBER 31,
	2016		2015		2014
Service cost	$	1,310	$	1,323	$	1,164
Interest cost	453		383		294
Net periodic benefit cost	$	1,763	$	1,706	$	1,458

The following represents the components of net periodic post-retirement benefit cost for the year ended December 31 (in thousands):

	2014
Service cost	$	174
Interest cost	78
Settlement/curtailment loss	725
Net periodic benefit cost	$	977

Changes in the Benefit Obligation

The following table presents the changes in the benefit obligation for the years ended (in thousands):

	DECEMBER 31,
	2016		2015
Projected benefit obligation, beginning	$	11,337	$	10,197
Service cost	1,310		1,323
Interest cost	453		383
Actuarial experience and changes in actuarial assumptions	336		(566		)
Projected benefit obligation, ending	$	13,436	$	11,337

Projected Annual Benefit Payment

Undiscounted benefit payments by the SERP, which reflect the anticipated future service of participants, expected to be paid are as follows (in thousands):

	PROJECTED ANNUAL BENEFIT PAYMENTS
2017	$	—
2018	—
2019	—
2020	—
2021	12,450
2022-2026	—
Thereafter	4,864