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Revenues from Contracts with Customers - Disaggregation of Revenue by Identified Revenue Stream (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers $ 1,119,793 $ 683,911
Natural Gas, NGLs and Oil Sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 1,032,351 603,347
Natural Gas, NGLs and Oil Sales | Natural gas sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 629,923 335,801
Natural Gas, NGLs and Oil Sales | NGLs sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 338,369 230,408
Natural Gas, NGLs and Oil Sales | Oil sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 64,059 37,138
Brokered Natural Gas, Marketing and Other    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 87,442 80,564
Brokered Natural Gas, Marketing and Other | Natural gas sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 84,062 69,462
Brokered Natural Gas, Marketing and Other | NGLs sales    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers 1,640 426
Brokered Natural Gas, Marketing and Other | Other marketing revenue    
Disaggregation of Revenue [Line Items]    
Total Revenues from Contracts with Customers [1] $ 1,740 $ 10,676
[1] The three months ended March 31, 2021 includes $8.8 million received as part of a capacity release agreement.