Earnings Per Share (EPS) - Additional Information (Detail) - shares |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Restricted Stock And Performance Based Equity Awards [Member] | Stock options [Member] | |||
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] | |||
Weighted average outstanding options, awards not included in diluted earnings per share | 1,704,708 | 349,930 | 418,859 |