Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Income for the Pension Plans

Net periodic benefit income from the Company's pension plans included the following components for the three months ended June 30:

	Pension Benefits
	2020		2019
Service cost	$	2,925	$	2,379
Interest cost	20,865		24,335
Expected return on plan assets	(38,410)		(38,507)
Amortization of prior service credit	173		(17)
Amortization of actuarial loss	11,088		7,746
Net periodic benefit income	$	(3,359)	$	(4,064)

Net periodic benefit income from the Company's pension plans included the following components for the six months ended June 30:

	Pension Benefits
	2020		2019
Service cost	$	5,907	$	4,769
Interest cost	41,790		48,683
Expected return on plan assets	(76,933)		(77,034)
Amortization of prior service credit	346		(34)
Amortization of actuarial loss	22,210		15,495
Net periodic benefit income	$	(6,680)	$	(8,121)