• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Stock Based Compensation - Information with Respect to Unvested Restricted Stock Awards Stock Option and Incentive Plan (Detail) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Forfeited, Number of Restricted Stock Awards (284,000)    
Restricted Stock [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Beginning balance, shares 632,296 597,690 542,503
Granted, Number of Restricted Stock Awards 180,404 189,860 154,936
Vested, Number of Restricted Stock Awards (116,164) (98,617) (75,983)
Forfeited, Number of Restricted Stock Awards (299,776) (56,637) (23,766)
Ending balance, shares 396,760 632,296 597,690
Nonvested, Weighted-Average Grant Date Fair Value, Beginning balance $ 33.33 $ 32.82 $ 30.81
Granted, Weighted-Average Grant Date Fair Value 42.79 41.81 42.92
Vested, Weighted-Average Grant Date Fair Value 40.10 40.82 37.95
Forfeited, Weighted-Average Grant Date Fair Value 25.31 36.46 36.32
Nonvested, Weighted-Average Grant Date Fair Value, Ending balance $ 41.71 $ 33.33 $ 32.82