Severance Costs Related To Voluntary Separation Plan (Details) $ in Thousands	3 Months Ended	6 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($)	Jun. 30, 2020 employee	Sep. 30, 2020 USD ($)
Severance Costs Related To Voluntary Separation Plan
Severance Costs \| $	$ 18		$ 13,283
Number of corporate staff accepted voluntary separation package		53
Number of Employees accepted voluntary separation package		201

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.

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