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Share-Based Compensation - Fully-vested Common Stock Issued to Non-employee Directors (Details) - Common Stock - Non-employee Directors - USD ($)
shares in Thousands, $ in Thousands
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards issued (in shares) 99 70
Grant date fair value of awards issued $ 550 $ 450