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Exit Costs - Exit Costs Included in Accrued Liabilities in Consolidated Balance Sheet - (Detail) - Exit Costs
$ in Thousands
9 Months Ended
Sep. 30, 2023
USD ($)
[1]
Exit costs included in accrued liabilities in consolidated balance sheet  
Balance at December 31, 2022 $ 395,680
Accretion of discount 31,900
Changes in estimate 39,761
Payments (74,224)
Balance at September 30, 2023 $ 393,117
[1]

(a)

 Includes the divestiture contract obligation and the transportation contract capacity release obligation.