Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	$ 794,848	$ 839,968
Gain on sale of assets and other income	1,564	1,748
Total revenues and other income	796,412	841,716
Revenue from production
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	794,603	796,231
Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	691,532	672,117
Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	19,647	26,362
Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	83,424	97,752
Sales of purchased natural gas
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	245	43,737
United States Onshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	142,543	130,081
United States Onshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	7,836	8,270
United States Onshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	4,276	5,450
United States Offshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	480,439	500,310
United States Offshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	10,374	14,629
United States Offshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	12,889	22,132
Canada Onshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	13,873	21,952
Canada Onshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	1,437	3,463
Canada Onshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	66,259	70,170
Canada Onshore | Sales of purchased natural gas
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	245	43,737
Canada Offshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	54,775	16,130
Other | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	$ (98)	$ 3,644