Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

Components of the net periodic pension and postretirement benefit credit are as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Service cost	$	111	$	106	$	335	$	318
Interest cost	1,015		1,322		3,044		3,966
Expected return on assets	(1,680)		(1,531)		(5,042)		(4,593)
Amortization of prior service cost	13		12		39		38
Amortization of actuarial loss	12		11		36		31
Net periodic pension and postretirement benefit credit	$	(529)	$	(80)	$	(1,588)	$	(240)
Contributions paid	$	—	$	—	$	—	$	—