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Long-Term Debt - Niagara Convertible Debenture (Details) - Niagara Convertible Debentures - Convertible Debenture - USD ($)
$ in Millions
1 Months Ended
Jun. 30, 2019
Sep. 30, 2022
Jun. 30, 2020
Debt Instrument [Line Items]      
Borrowing capacity   $ 40.0  
Debt instrument, convertible, percent of capital shares 40.00%    
Interest rate, effective     3.50%
Debt instrument, interest rate, effective percentage, after sixth anniversary 8.00%    
Accrued interest due days 30 days