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Subsequent Events (Details) - Medium-term Notes - CIBC Agreement - USD ($)
$ in Millions
1 Months Ended
Feb. 20, 2020
Feb. 28, 2023
Dec. 31, 2022
Dec. 31, 2020
Subsequent Event [Line Items]        
Cash and cash equivalents trigger for revenue requirement (less than) $ 100.0   $ 20.0 $ 50.0
Minimum percentage of revenue requirement, trailing period of revenue 3 months      
Minimum percentage of revenue requirement 80.00%      
Unrestricted cash requirement period 4 months      
Prime Rate        
Subsequent Event [Line Items]        
Basis spread on variable rate 1.00%      
Subsequent Event        
Subsequent Event [Line Items]        
Proceeds from issuance of debt   $ 20.0    
Cash and cash equivalents trigger for revenue requirement (less than)   $ 100.0    
Minimum percentage of revenue requirement, trailing period of revenue   3 months    
Minimum percentage of revenue requirement   80.00%    
Accordion feature on face amount of debt   $ 20.0    
Unrestricted cash requirement period   6 months    
Subsequent Event | Prime Rate        
Subsequent Event [Line Items]        
Basis spread on variable rate   1.00%