XML 70 R59.htm IDEA: XBRL DOCUMENT v3.20.2
Share-Based Compensation - Summary of Activity of the Outstanding Share-Based Compensation Awards (Details)
6 Months Ended
Jun. 30, 2020
$ / shares
shares
Performance Unit Incentive Plan ("PUP")  
Summary of activity of the outstanding share-based compensation awards  
Beginning Balance, Shares | shares 214,904
Granted, Shares | shares 84,898
Vested, Shares | shares (67,866)
Forfeited, Shares | shares (18,370)
Ending Balance, Shares | shares 213,566
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 52.53
Granted, Weighted-Average Grant Date Fair Value | $ / shares 56.15
Vested, Weighted-Average Grant Date Fair Value | $ / shares 47.43
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares 56.40
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 55.26
Restricted Stock  
Summary of activity of the outstanding share-based compensation awards  
Beginning Balance, Shares | shares 136,123
Granted, Shares | shares 49,847
Vested, Shares | shares (64,429)
Forfeited, Shares | shares (12,865)
Ending Balance, Shares | shares 108,676
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 52.66
Granted, Weighted-Average Grant Date Fair Value | $ / shares 54.45
Vested, Weighted-Average Grant Date Fair Value | $ / shares 49.83
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares 56.58
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 54.69
Restricted Stock Units  
Summary of activity of the outstanding share-based compensation awards  
Beginning Balance, Shares | shares 11,623
Granted, Shares | shares 3,952
Vested, Shares | shares (2,815)
Forfeited, Shares | shares (1,634)
Ending Balance, Shares | shares 11,126
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 52.17
Granted, Weighted-Average Grant Date Fair Value | $ / shares 50.43
Vested, Weighted-Average Grant Date Fair Value | $ / shares 47.45
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares 56.59
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares $ 52.10