Net Periodic Pension Cost

6 Months Ended

Jun. 30, 2019

Net Periodic Pension Cost [Abstract]

Net Periodic Pension Cost

14. Net Periodic Pension Cost

The following table details the net periodic pension cost incurred by period (in thousands):

	Three Months Ended				Six Months Ended
	June 30,					June 30,
	2019		2018		2019		2018
Interest cost	$	114	$	106	$	227	$	212
Amortization of net loss		36		26		72		53
Expected return on plan assets		(150)		(174)		(299)		(347)
Net periodic pension cost	$	—	$	(42)	$	—	$	(82)
Contributed amount	$	—	$	—	$	—	$	—

Refer to Note 14 to the consolidated financial statements in our Annual Report on Form 10‑K for the year ended December 31, 2018 for more discussion of our retirement plans.