Discontinued Operations - Components of Income from Discontinued Operations - Additional Information (Details) - MCC Business - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Discontinued Operations, Disposed of by Sale
Discontinued Operations
Stock compensation expense	$ 278
Divestiture related expenses	$ 9,379
Discontinued Operations, Held-for-sale
Discontinued Operations
Stock compensation expense		$ 828	$ 536
Changes in fair value of contingent consideration		$ (2,124)	$ 199