Restructuring And Liability Management (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Sep. 30, 2020 |
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| Restructuring and Related Activities [Abstract] | ||||
| Workforce reduction | 13.00% | 10.00% | ||
| Reduction in workforce | $ 1,460 | $ 4,611 | ||
| Liability management | 29,387 | 0 | ||
| Total restructuring and liability management expenses | $ 30,847 | $ 4,611 | $ 0 | |
| X | ||||||||||
- Definition Liability Management No definition available.
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- References No definition available.
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- Definition Percentage of the total number of positions eliminated as of the balance sheet date since inception of the restructuring plan(s). No definition available.
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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