Pension and Other Post-Retirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2019

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs

The Company's net periodic benefit costs for its defined benefit pension plans and post-retirement healthcare plans for both continuing and discontinued operations are as follows (in thousands):

	Three Months Ended June 30,										Six Months Ended June 30,
	Pension Plans						Post-Retirement Healthcare Plan				Pension Plans						Post-Retirement Healthcare Plan
	2019			2018			2019		2018		2019			2018			2019		2018
Service cost	$	—		$	—		$	27	$	30	$	—		$	—		$	54	$	60
Interest cost	7,825			7,284			37		32		15,649			14,568			74		64
Expected return on plan assets	(9,477		)	(10,523		)	—		—		(18,954		)	(21,046		)	—		—
Amortization of net loss	3,882			887			43		55		7,764			1,774			86		110
Net periodic benefit cost (income)	$	2,230		$	(2,352	)	$	107	$	117	$	4,459		$	(4,704	)	$	214	$	234