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Acquisition Level 3 (Tables)
 12 Months Ended
Dec. 31, 2021
Business Combination, Separately Recognized Transactions [Line Items]  
Gains (Losses) on Divestitures and Impairment Charges [Table Text Block]
Years Ended December 31,
202120202019
 (In thousands)
Gains on divestitures, net$28,573 $11,962 $41,835 
Impairment losses(3,404)(4,953)(8,916)
Gains on divestitures and impairment charges, net$25,169 $7,009 $32,919