• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Stock-Based Compensation - Assumptions Used to Estimate the Fair Value of Stock Options Granted (Detail)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Expected dividend yield 3.34% 4.00% 3.53%
Expected volatility 40.17% 42.22% 42.86%
Risk-free interest rate 2.53% 2.57% 1.92%
Expected life (in years) 5 years 5 years 5 years