Employee Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2020

Employee Benefit Plan [Abstract]

Components of Net Periodic Benefit Cost for Plan

	Three months ended				Six months ended
	June 30, 2020		June 30, 2019		June 30, 2020		June 30, 2019
Interest cost	$	33	$	41	$	66	$	81
Expected return on plan assets		(53)		(53)		(107)		(106)
Amortization of prior service cost		1		1		2		2
Recognized net loss due to settlement		—		40		—		53
Recognized net actuarial  loss		12		12		24		24
Net periodic (income) cost	$	(7)	$	41	$	(15)	$	54