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Share-Based Compensation - Unrecognized Share-based Compensation Expense (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock options $ 485
Restricted stock awards 475
Total unrecognized share-based compensation expense $ 960
Weighted-Average Remaining Expected Recognition Period 2 years 9 months 18 days
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted-Average Remaining Expected Recognition Period 2 years 2 months 12 days
Restricted stock awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted-Average Remaining Expected Recognition Period 3 years 3 months 18 days