Acquisition Level 3 (Tables)

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Gains (Losses) on Divestitures and Impairment Charges [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(In thousands)
Gains (losses) on divestitures, net	$	737	$	(9,643)	$	8,366	$	(9,097)
Impairment losses	—		(2,180)		(3,084)		(4,604)
Gains (losses) on divestitures and impairment charges, net	$	737	$	(11,823)	$	5,282	$	(13,701)