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Share-Based Compensation - Fair Value of Shares Vested and Weighted Average Estimated Fair Value of Shares Granted (Details) - Stock Options - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total fair value of shares vested $ 1,045 $ 757
Weighted average estimated fair value of shares granted (in dollars per share) $ 1.23 $ 0.91