General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies - Income taxes (Details)

v3.24.0.1
Summary of Significant Accounting Policies - Income taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Nov. 30, 2023
Nov. 30, 2022
Nov. 30, 2023
Nov. 30, 2022
May 31, 2023
May 31, 2022
Summary of Significant Accounting Policies            
Income tax expense $ 0 $ 0 $ 0 $ 0 $ 0 $ 0
Federal statutory income tax rate, percent     21.00%   21.00% 21.00%