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Cash, Cash Equivalents and Investments - Summary Of Cash, Cash Equivalents And Available-For-Sale Investments (Details) - USD ($) $ in Thousands | Feb. 28, 2021 | Nov. 30, 2020
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Cash, Cash Equivalents and Investments [Line Items] |  |
Cash and cash equivalents | $ 107,698 | $ 97,990
Unrealized Gains | 71 | 99
Unrealized Losses | 0 | 0
Total Amortized Cost Basis | 114,300 | 105,896
Total Fair Value | 114,371 | 105,995
U.S. treasury bonds |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Amortized Cost Basis | 4,493 | 4,993
Unrealized Gains | 42 | 58
Unrealized Losses | 0 | 0
Fair Value | 4,535 | 5,051
Corporate bonds |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Amortized Cost Basis | 2,109 | 2,913
Unrealized Gains | 29 | 41
Unrealized Losses | 0 | 0
Fair Value | 2,138 | 2,954
Cash |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cash and cash equivalents | 87,403 | 79,026
Money market funds |  |
Cash, Cash Equivalents and Investments [Line Items] |  |
Cash and cash equivalents | $ 20,295 | $ 18,964

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