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Equity-Based Compensation - Summary of Number of Share-Based Awards Granted (Detail)
6 Months Ended
Jun. 30, 2019
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of performance share payout measured by return on invested capital 30.00%
Percentageofperformancesharepayoutmeasuredbyfreeoperatingcashflow 0.00%
PercentageofperformancesharepayoutADJUSTMENTmeasuredbytotalshareholderreturn 0.00%
Performance shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of share-based awards granted | shares 151,664
Grant-date fair value of awards per share | $ / shares $ 26.60
Restricted stock units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of share-based awards granted | shares 133,533
Grant-date fair value of awards per share | $ / shares $ 26.79