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Earnings per Share/Limited Partner Unit - Additional Information (Detail) - shares
3 Months Ended 6 Months Ended
Dec. 16, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dilutive Restricted Shares          
Limited Partners Capital Account [Line Items]          
Weighted average number shares   77,845   65,144  
Dilutive Restricted Units          
Limited Partners Capital Account [Line Items]          
Weighted average number shares     140,757   132,492
Hess and GIP | Class A Shares          
Limited Partners Capital Account [Line Items]          
Conversion of Class B units and Class B shares into Class A shares 100.00%