Property and Equipment - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Depreciation	$ 10,582	$ 18,769	$ 18,542
Asset impairment charge	0	23,378	0
Proprietary LCAD Nextgen Systems
Property, Plant and Equipment [Line Items]
Asset impairment charge		14,175
Continuing Operations
Property, Plant and Equipment [Line Items]
Depreciation	$ 10,582	12,058	$ 10,717
Asset impairment charge		$ 14,175