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Share-based Compensation Plans (Tables)
12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]  
Summary of restricted stock or restricted stock unit activity
Table 15.1 summarizes restricted stock or restricted stock unit (collectively called “restricted stock”) activity during 2020.
Restricted stock
Table
15.1
 Weighted Average Grant Date Fair Market ValueShares
Restricted stock outstanding at December 31, 2019$12.81 4,150,394 
Granted13.62 1,672,060 
Vested11.67 (1,564,843)
Forfeited13.24 (118,368)
Restricted stock outstanding at December 31, 2020$13.57 4,139,243