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Credit Agreements - Floating Rate Notes (Details) - Revolving credit facility - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Long-term debt    
Maximum credit facility borrowing amount $ 100.0  
Interest rate spread (as a percent) 2.00%  
Commitment fees $ 0.3  
Percentage of unused line fee payable on unborrowed amount 0.25%  
Line of credit facility outstanding $ 0.0 $ 0.0
Interest expense $ 0.4  
Secured Overnight Financing Rate    
Long-term debt    
Interest rate spread (as a percent) 1.75%  
Alternate Base Rate    
Long-term debt    
Interest rate spread (as a percent) 0.75%