Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Goodwill [Roll Forward]
Goodwill, Beginning Balance		$ 59,469		$ 59,469
Goodwill, Impairment Loss	$ 0	(10,200)	$ 0	(8,264)	$ 0
Goodwill, Ending Balance	51,205			51,205
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment	$ 0	10,200	$ 0	$ 8,264	$ 0
Discontinued operations
Goodwill [Roll Forward]
Goodwill, Impairment Loss		(1,900)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment		$ 1,900