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Subsequent Events (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Jan. 27, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Oct. 31, 2010
Subsequent Events [Line Items]          
Common Stock, shares issued   226,505,000 220,978,000    
Common Stock, par value   $ 0.001 $ 0.001   $ 0.001
Proceeds from issuance of common stock   $ 11,230 $ 31,806 $ 46,360  
Subsequent Event [Member]          
Subsequent Events [Line Items]          
Common Stock, shares issued 20,125,000        
Price per share $ 10.00        
Proceeds from issuance of common stock $ 201,300