Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2017

Employee Retirement Plans

Schedule of Pre-Settlement, Settlement and Post-Settlement funded status of the Plan (in thousands)

	June 30, 2015
	Pre-Settlement		Settlement		Post-Settlement
Projected benefit obligation	$	2,039	$	(2,039)	$	—
Fair value of plan assets		2,039		(2,039)		—
Underfunded status	$	—	$	—	$	—

Schedule of components of the Plan net periodic benefit cost (in thousands)

	Years Ended December 31,
	2017		2016		2015
Interest cost	$	—	$	—	$	44
Expected return on plan assets		—		—		(18)
Amortization of net actuarial loss		—		—		65
Net periodic benefit cost	$	—	$	—	$	91
Settlement charge		—		—		814
Total net periodic benefit cost	$	—	$	—	$	905