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Financial Statement Presentation (Details)
May 28, 2021
shares
Sep. 30, 2021
$ / shares
Dec. 31, 2020
$ / shares
Financial Statement Presentation [Abstract]      
Reverse stock split ratio 0.2    
Capital stock, par value (in dollars per share) | $ / shares   $ 1 $ 1
Number of common stock issued in connection with reverse stock split (in shares) | shares 0