Employee Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2020

Pension plan

Employee retirement plans

Schedule of components of net periodic pension or other postretirement benefit cost

	June 30,		June 30,
	2019		2019
Component of net periodic pension cost:
Service cost	$	-	$	-
Interest cost		410		820
Expected return on plan assets		(294)		(588)
Amortization of net loss		149		298
Net periodic pension cost	$	265	$	530

Other postretirement benefit cost

Employee retirement plans

Schedule of components of net periodic pension or other postretirement benefit cost

	Three Months Ended				Six Months Ended
	June 30,		June 30,		June 30,		June 30,
	2020		2019		2020		2019
Component of periodic other postretirement benefit cost:
Service cost	$	37	$	37	$	74	$	74
Interest cost		47		63		94		126
Amortization of net gain		(77)		(78)		(154)		(156)
Net periodic other postretirement benefit cost	$	7	$	22	$	14	$	44