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Equity and Stock-Based Compensation (Issuance Activity) (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Class of Stock [Line Items]      
Gross proceeds received   $ 6,390 $ 0
Net proceeds $ 7,618 $ 7,618  
Common Stock      
Class of Stock [Line Items]      
Common shares issued (in shares) 3,046 3,046  
Gross proceeds received $ 7,715 $ 7,715  
Commissions and other expenses $ 97 $ 97