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Derivative Instruments (Tables)
 12 Months Ended
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Offsetting Assets The table below summarizes the impact of netting agreements and margin deposits on gross derivative assets and liabilities.
Gross derivative instruments recorded in the
Consolidated Balance Sheet		Derivative instruments
subject to master
netting agreements		Margin requirements with
counterparties		Net derivative
instruments
December 31, 2023(Thousands)
Asset derivative instruments, at fair value$978,634 $(112,203)$— $866,431 
Liability derivative instruments, at fair value186,363 (112,203)(13,017)61,143 
December 31, 2022
Asset derivative instruments, at fair value$812,371 $(756,495)$— $55,876 
Liability derivative instruments, at fair value1,393,487 (756,495)(100,623)536,369 
Schedule of Offsetting Liabilities The table below summarizes the impact of netting agreements and margin deposits on gross derivative assets and liabilities.
Gross derivative instruments recorded in the
Consolidated Balance Sheet		Derivative instruments
subject to master
netting agreements		Margin requirements with
counterparties		Net derivative
instruments
December 31, 2023(Thousands)
Asset derivative instruments, at fair value$978,634 $(112,203)$— $866,431 
Liability derivative instruments, at fair value186,363 (112,203)(13,017)61,143 
December 31, 2022
Asset derivative instruments, at fair value$812,371 $(756,495)$— $55,876 
Liability derivative instruments, at fair value1,393,487 (756,495)(100,623)536,369