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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of restricted share and performance share activity
A summary of restricted share activity for the six months ended June 30, 2021 is as follows:

2021
Time-BasedPerformance-Based
Number of SharesWeighted Average
Grant Date
Fair Value
Number of SharesWeighted Average
Grant Date
Fair Value
(In whole shares)(In whole shares)
Outstanding - beginning of year741,006 $22.02 50,000 $32.55 
Granted(a)
180,901 33.64 — — 
Vested(179,984)24.09 — — 
Canceled or expired(7,917)21.71 — — 
Outstanding - end of period734,006 $24.38 50,000 $32.55 
(a) - Included in this amount are 4,905 restricted share units.