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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of restricted share and performance share activity
A summary of restricted share activity for the three months ended March 31, 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— — — — 
Vested(12,167)35.06 — — 
Canceled or expired(6,667)22.74 — — 
Outstanding - end of period722,172 $21.79 50,000 $32.55