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Debt - Interest Expense Related To The Notes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 31, 2021
May 31, 2020
May 31, 2021
May 31, 2020
Apr. 30, 2021
Debt Instrument [Line Items]          
Contractual interest expense $ 470 $ 0      
Amortization of debt discount 1,480 0      
Amortization of issuance costs 202 0 $ 300 $ 300  
Interest expense, debt $ 2,152 $ 0      
Convertible Senior Notes | Convertible Debt          
Debt Instrument [Line Items]          
Annual interest rate         1.00%
Debt Instrument, Interest Rate, Effective Percentage         5.70%