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Stock-based Compensation (Tables)
 3 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of stock options outstanding
Following is a summary of stock option activity for the three months ended December 31, 2019:
 
Three Months Ended
 
December 31, 2019
 
Shares
 
Weighted Average
Exercise Price
Outstanding at beginning of period
523,754

 
$
14.34

Granted
—

 
—

Exercised
(123,367
)
 
11.08

Cancelled
(100
)
 
15.47

Outstanding at end of period
400,287

 
$
15.35

Exercisable at end of period
363,931

 
$
15.64

Vested or expected to vest in the future
398,358

 
$
15.38
Schedule of nonvested stock awards activity
Following is a summary of restricted stock activity for the three months ended December 31, 2019:
 
Three Months Ended December 31, 2019
 
Performance-Based Restricted Shares
 
Time-Based Restricted Shares
 
Total Restricted Shares
Beginning of period
778,814

 
611,607

 
1,390,421

Granted
260,131

 
313,829

 
573,960

Vested
(242,921
)
 
(289,648
)
 
(532,569
)
Forfeited
—

 
(1,202
)
 
(1,202
)
End of period
796,024

 
634,586

 
1,430,610