Stock-Based Compensation - Summary of Stock-Based Compensation Expense Related to Stock Options and ESPP Included in the Statements of Operations (Details) - Stock Plans and ESPP - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2022	Feb. 28, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation	$ 6,071	$ 2,700
Research and Development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation	3,541	1,223
General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total stock-based compensation	$ 2,530	$ 1,477