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Capital Stock (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
Vote / shares
$ / shares
shares
Dec. 31, 2022
shares
Jul. 31, 2019
USD ($)
Capital Stock      
Common stock, shares authorized 75,000,000 75,000,000  
Number of votes per share | Vote / shares 1    
Dividends declared (in dollars per share) | $ / shares $ 0    
Preferred Stock, Shares Authorized 4,998,000 4,998,000  
Common stock reserved available for future issuance 1,981,406    
Treasury Stock      
Capital Stock      
Shares authorized to repurchase | $     $ 2.0
Purchase of treasury stock (in shares) 0 0  
Treasury Stock, common value | $ $ 1.8    
Treasury Stock | July 2019      
Capital Stock      
Shares authorized to repurchase | $ $ 1.5