Revenues from Contracts with Customers - Disaggregation of Revenue by Identified Revenue Stream (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total Revenue	$ 2,553,264,000	$ 5,335,309,000	$ 3,580,439,000
Natural Gas, NGLs and Oil Sales
Disaggregation of Revenue [Line Items]
Total Revenue	2,334,661,000	4,911,092,000	3,215,027,000
Natural Gas, NGLs and Oil Sales | Natural gas sales
Disaggregation of Revenue [Line Items]
Total Revenue	1,234,308,000	3,364,111,000	1,896,231,000
Natural Gas, NGLs and Oil Sales | NGLs sales
Disaggregation of Revenue [Line Items]
Total Revenue	933,791,000	1,308,574,000	1,135,826,000
Natural Gas, NGLs and Oil Sales | Oil and condensate sales
Disaggregation of Revenue [Line Items]
Total Revenue	166,562,000	238,407,000	182,970,000
Brokered Natural Gas, Marketing and Other
Disaggregation of Revenue [Line Items]
Total Revenue	218,603,000	424,217,000	365,412,000
Brokered Natural Gas, Marketing and Other | Natural gas sales
Disaggregation of Revenue [Line Items]
Total Revenue	195,656,000	408,584,000	342,431,000
Brokered Natural Gas, Marketing and Other | NGLs sales
Disaggregation of Revenue [Line Items]
Total Revenue	1,834,000	2,783,000	6,925,000
Brokered Natural Gas, Marketing and Other | Interest Income
Disaggregation of Revenue [Line Items]
Total Revenue	5,937,000	2,538,000	243,000
Brokered Natural Gas, Marketing and Other | Other Marketing Revenue And Other Income [Member]
Disaggregation of Revenue [Line Items]
Total Revenue	$ 15,176,000	$ 10,312,000	$ 15,813,000