Severance and Other Separation Costs (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring And Related Activities [Abstract]

Schedule of Restructuring Program Activity

The 2018 and 2017 Restructuring Program activity for the years ended December 31, 2019 and 2018 was as follows:

	2017 Restructuring Program			2018 Restructuring Program
	(In thousands)
Liability as of December 31, 2017	$	1,234		$	—
Costs incurred		—			5,548
Payments made		(1,234	)		(5,011	)
Liability as of December 31, 2018	$	—		$	537
Costs incurred		—			—
Payments made		—			(537	)
Liability as of December 31, 2019	$	—		$	—