Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 438,529	$ 95,804
Goodwill, ending balance	436,029	438,529
Crossix Solutions
Goodwill [Roll Forward]
Goodwill, acquired during period		314,642
Purchase price goodwill reduction from Crossix tax adjustments	$ (2,500)
Physicians World
Goodwill [Roll Forward]
Goodwill, acquired during period		$ 28,083