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Share-based Compensation (Details 2)
9 Months Ended
Sep. 30, 2021
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of Shares, Non-vested beginning 527,504
Number of Shares, Granted
Number of Shares, Vested 172,998
Number of Shares, Forfeited/Expired
Number of Shares, Non-vested ending 354,506