Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation (Details 1)

v3.20.4
Share-Based Compensation (Details 1) - Restricted Stock [Member]
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of shares, Beginning balance | shares 2,723,637
Number of shares, Vested | shares (690,237)
Number of shares, Forfeited | shares (584,113)
Number of shares, Ending balance | shares 1,449,287
Weighted-average grant-date fair value units at beginning of period | $ / shares $ 8.87
Weighted-average grant-date fair value, Vested | $ / shares 8.87
Weighted-average grant-date fair value, Forfeited | $ / shares 8.91
Weighted-average grant-date fair value units at end of period | $ / shares $ 8.85