Annual report pursuant to Section 13 and 15(d)

Clearwater Facility Idling (Details)

v3.20.4
Clearwater Facility Idling (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Clearwater Facility Impairment      
Impairment of long-lived assets $ 89,000 $ 98,179 $ 409,739
Impairment of goodwill   575,461 340,350
Impairment charge     11,871
Total impairment expense   673,640 761,960
Facility idling   15,219 11,401
Customer relationships      
Clearwater Facility Impairment      
Impairment charge     11,871
Clearwater Facility      
Clearwater Facility Impairment      
Impairment of long-lived assets   6,745 408,882
Impairment of goodwill     42,290
Total impairment expense   6,745 463,043
Facility idling   $ 15,000 11,000
Clearwater Facility | Customer relationships      
Clearwater Facility Impairment      
Impairment charge     $ 11,871