XML 76 R66.htm IDEA: XBRL DOCUMENT v3.23.3
Derivative Instruments - The Effect of Derivative Instruments on the Consolidated Statement of Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Derivative [Line Items]          
Realized Gain (Loss) on Commodity Derivative Instruments: $ 101,871 $ (651,199) $ 120,398 $ (1,452,432)  
Unrealized Gain (Loss) on Commodity Derivative Instruments: (54,068) (411,154) 1,232,044 (1,988,957)  
Gain (Loss) on Commodity Derivative Instruments: 47,803 (1,062,353) 1,352,442 (3,441,389)  
Interest Rate Swaps          
Derivative [Line Items]          
Gain (Loss) on Commodity Derivative Instruments: 79 2,460 758 8,113  
Cash Received (Paid) in Settlement of Interest Rate Swaps 1,173 (234) 2,989 (1,934)  
Unrealized (Loss) Gain on Interest Rate Swaps (1,094) 2,694 (2,231) 10,047  
Gas Derivatives          
Derivative [Line Items]          
Derivative Asset 24,215 213 24,215 213 $ 77,662
Natural Gas | Commodity Swaps          
Derivative [Line Items]          
Realized Gain (Loss) on Commodity Derivative Instruments: 35,762 (690,685) 69,232 (1,520,879)  
Unrealized Gain (Loss) on Commodity Derivative Instruments: 1,289 (300,013) 1,308,252 (2,151,435)  
Gain (Loss) on Commodity Derivative Instruments: 37,051 (990,698) 1,377,484 (3,672,314)  
Natural Gas | Basis Only Swaps          
Derivative [Line Items]          
Realized Gain (Loss) on Commodity Derivative Instruments: 65,514 39,486 49,952 68,447  
Unrealized Gain (Loss) on Commodity Derivative Instruments: (53,462) (111,141) (77,026) 162,478  
Gain (Loss) on Commodity Derivative Instruments: 12,052 (71,655) (27,074) 230,925  
Propane | Propane Swaps          
Derivative [Line Items]          
Realized Gain (Loss) on Commodity Derivative Instruments: 595 0 1,214 0  
Unrealized Gain (Loss) on Commodity Derivative Instruments: (1,895) 0 818 0  
Gain (Loss) on Commodity Derivative Instruments: $ (1,300) $ 0 $ 2,032 $ 0