Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2017		2016		2017		2016
Service cost	$	80	$	328	$	160	$	656
Interest cost	135		113		269		226
Net periodic benefit cost	$	215	$	441	$	429	$	882