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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]  
Stock option activity
The following table provides information regarding stock option award activity for the nine months ended September 30, 2019:
 
Shares
 
Wtd. Avg. Exer. Price
Options outstanding, beginning of period
644,575

 
$
28.28

Options forfeited
(5,523
)
 
$
27.00

Options canceled in Equity Award Exchange
(201,406
)
 
$
31.14

Options expired
(68,987
)
 
$
23.69

Options outstanding, end of period
368,659

 
$
27.59

Options exercisable, end of period
152,022

 
$
29.14
Restricted stock activity
The following table provides information regarding restricted stock unit award activity for the nine months ended September 30, 2019:
 
Shares
 
Grant Date Price
Restricted stock units outstanding, beginning of period
340,678

 
$
27.64

Restricted stock units granted
115,957

 
$
20.13

Restricted stock units granted under Equity Award Exchange
99,500

 
$
16.70

Restricted stock united canceled under Equity Award Exchange
(24,622
)
 
$
31.14

Restricted stock units forfeited
(20,469
)
 
$
26.43

Restricted stock units vested
(107,109
)
 
$
28.12

Restricted stock units outstanding, end of period
403,935

 
$
22.47