Cash, Cash Equivalents and Investments - Summary of Cash, Cash Equivalents and Available-for-sale Investments by Balance Sheet Classification (Details) - USD ($) $ in Thousands	Feb. 28, 2021	Nov. 30, 2020
Cash, Cash Equivalents and Investments [Line Items]
Cash and Equivalents	$ 107,698	$ 97,990
Short-Term Investments	6,673	8,005
U.S. treasury bonds
Cash, Cash Equivalents and Investments [Line Items]
Short-Term Investments	4,535	5,051
Corporate bonds
Cash, Cash Equivalents and Investments [Line Items]
Short-Term Investments	2,138	2,954
Cash
Cash, Cash Equivalents and Investments [Line Items]
Cash and Equivalents	87,403	79,026
Money market funds
Cash, Cash Equivalents and Investments [Line Items]
Cash and Equivalents	$ 20,295	$ 18,964