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Equity (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Class of Stock [Line Items]          
Common stock shares authorized under equity program 500,000,000 500,000,000 500,000,000 500,000,000 500,000,000
Net proceeds *     $ (149,000) $ 88,830,000  
At-the-market offering          
Class of Stock [Line Items]          
Common stock shares authorized under equity program 6,400,000   6,400,000    
Common stock shares reserved for future issuance 3,600,000   3,600,000    
Shares issued 0 1,000,000.0 0 2,800,000  
Net proceeds * $ 0 $ 34,200,000 $ (100,000) $ 88,800,000  
Issuance costs $ 0 $ 425,000 $ 149,000 $ 1,200,000