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Equity Incentive Plan (Tables)
3 Months Ended
Mar. 31, 2020
Equity Incentive Plan  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

Restricted stock activity is summarized as follows:

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​

​

​

​

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Shares

    

Weighted Average

​

​

Outstanding

​

Grant Date

​

​

(in thousands)

​

Fair Value

Unvested restricted stock at December 31, 2019

 

194

​

$

50.71

​

​

​

​

​

​

Restricted stock granted

 

47

​

$

79.62

Restricted stock vested

 

(62)

​

$

45.34

​

​

​

​

​

​

Unvested restricted stock at March 31, 2020

 

179

​

$

60.15

Summary of activity of performance shares

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​

​

​

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Target Number

    

Weighted Average

​

​

of Awards

​

Grant Date

Performance units and shares at December 31, 2019

 

61

​

$

56.57

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​

​

​

​

​

Performance units granted

 

26

​

$

79.62

​

​

​

​

​

​

Performance units and shares at March 31, 2020

​

87

​

$

63.35

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​