Assets Held for Sale - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
Feb. 09, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Discontinued Operations and Disposal Groups [Abstract]
Gain on sale of businesses	$ 2,800	$ 823	$ 0	$ 2,802	$ 0
Goodwill impairment on business		$ 32,629	$ 0	$ 32,629	$ 0

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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