Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	$ 801,007	$ 812,850	$ 1,595,855	$ 1,652,818
Gain on sale of assets and other income	1,764	1,738	3,328	3,486
Total revenues and other income	802,771	814,588	1,599,183	1,656,304
Revenue from production
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	797,510	799,836	1,592,113	1,596,067
Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	714,860	702,103	1,406,392	1,374,220
Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	18,243	19,598	37,890	45,960
Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	64,407	78,135	147,831	175,887
Sales of purchased natural gas
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	3,497	13,014	3,742	56,751
United States Onshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	145,955	177,085	288,498	307,166
United States Onshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	7,311	6,540	15,147	14,810
United States Onshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	3,352	4,138	7,628	9,588
United States Offshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	501,692	480,841	982,131	981,151
United States Offshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	9,337	11,541	19,711	26,170
United States Offshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	10,500	14,802	23,389	36,934
Canada Onshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	19,580	19,306	33,453	41,258
Canada Onshore | Net natural gas liquids revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	1,595	1,517	3,032	4,980
Canada Onshore | Net natural gas revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	50,555	59,195	116,814	129,365
Canada Onshore | Sales of purchased natural gas
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	3,497	13,014	3,742	56,751
Canada Offshore | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	43,326	24,871	98,101	41,001
Other | Net crude oil and condensate revenue
Disaggregation of Revenue [Line Items]
Total revenue from sales to customers	$ 4,307	$ 0	$ 4,209	$ 3,644