Restructuring Expenses - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
May 30, 2020 employee	Feb. 28, 2019 employee	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Restructuring and Related Activities [Abstract]
Number of employees displaced through workforce reduction \| employee	110	110
Restructuring charges \| $			$ 8,197	$ 0	$ 7,400	$ 8,197	$ 7,420

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.

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