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Clearwater Facility Impairment (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Mar. 31, 2020 | Dec. 31, 2019
Clearwater Facility Impairment |  |
Impairment of property and equipment | $ 89,083 |
Impairment of goodwill | 575,461 |
Total impairment expense | 664,544 |
Facility idling | 8,678 |
Clearwater Facility |  |
Clearwater Facility Impairment |  |
Impairment of property and equipment |  | $ 408,882
Impairment of goodwill |  | 42,290
Impairment charge |  | 11,871
Total impairment expense |  | $ 463,043
Facility idling | $ 8,700 |

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