XML 34 R23.htm IDEA: XBRL DOCUMENT v3.20.2
Share-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2020
Share-Based Compensation  
Schedule of restricted stock and performance-based restricted stock activity

​

​

​

​

​

​

​

​

​

​

​

​

​

    

Shares 

    

Weighted

​

Performance-based

    

Weighted

​

​

Under

​

Average

​

Shares Under

​

Average

​

​

Restriction

​

Fair Value

​

Restriction

​

Fair Value

Outstanding at beginning of year

 

78,202

​

$

79.09

​

84,105

​

$

79.34

Granted

 

34,799

​

​

90.10

​

36,649

(1)

​

84.68

Vested and unrestricted

 

(43,480)

​

​

78.07

​

(42,123)

​

​

73.55

Forfeited

​

(2,694)

​

​

87.70

​

(6,667)

​

​

84.86

Outstanding at end of period

 

66,827

​

$

85.14

​

71,964

​

$

84.94