Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Total stock-based compensation	$ 185,001	$ 115,906	$ 76,425
Cost of subscription services
Total stock-based compensation	4,840	2,638	1,553
Cost of professional services and other
Total stock-based compensation	27,698	17,518	10,575
Research and development
Total stock-based compensation	63,541	37,001	22,138
Sales and marketing
Total stock-based compensation	40,574	27,537	18,381
General and administrative
Total stock-based compensation	$ 48,348	$ 31,212	$ 23,778