Stock-Based Compensation - Summary of Restricted Stock Units Activity (Parenthetical) (Detail) |
9 Months Ended |
---|---|
Sep. 30, 2019
$ / shares
shares
| |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Closing stock price | $ / shares | $ 55.69 |
Percentage of award vested upon completion of acquisition | 100.00% |
Performance Based Restricted Stock Unit [Member] | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Total RSUs | shares | 84,602 |