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Share-Based Payments (Details) - Nonvested Restricted Stock Shares Activity - Restricted Stock [Member]
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-Based Payments (Details) - Nonvested Restricted Stock Shares Activity [Line Items]  
Outstanding, Number of Shares | shares 507,867
Outstanding, Weighted Average Grant Date Fair Value | $ / shares $ 12.73
Awarded, Number of Shares | shares 113,896
Awarded, Weighted Average Grant Date Fair Value | $ / shares $ 4.98
Vested, Number of Shares | shares (97,645)
Vested, Weighted Average Grant Date Fair Value | $ / shares $ 20.87
Forfeited, Number of Shares | shares (93,352)
Forfeited, Weighted Average Grant Date Fair Value | $ / shares $ 12.67
Converted to RSU, Number of Shares | shares (430,766)
Converted to RSU, Weighted Average Grant Date Fair Value | $ / shares $ 8.85
Outstanding, Number of Shares | shares 0
Outstanding, Weighted Average Grant Date Fair Value | $ / shares $ 0