Exit Costs (Tables)

12 Months Ended

Dec. 31, 2022

Restructuring and Related Activities [Abstract]

Summary of Exit and Termination Costs

The following summarizes our exit and termination costs for the three years ended December 31, 2022, 2021 and 2020 (in thousands):

	Year Ended December 31,
	2022		2021		2020
Severance costs	$	—	$	567	$	5,909
Transportation contract capacity releases (including    accretion of discount)		579		754		10,900
Divestiture contract obligation (including accretion    of discount)		69,758		20,340		499,935
One-time minimum volume commitment contract    payment		—		—		28,500
Stock-based compensation and other		—		—		2,165
	$	70,337	$	21,661	$	547,409

Exit and Termination Costs Included in Accrued Liabilities in Consolidated Balance Sheet

The following details the accrued exit and termination cost liability activity for the years ended December 31, 2022 and 2021 (in thousands):

	Exit Costs			Termination Costs
Balance at December 31, 2020	$	493,543		$	1,454
Accrued severance costs		—			567
Accrued contract obligations-changes in estimate		(27,575	)		—
Accretion of discount		48,669			—
Payments		(90,895	)		(2,011	)
Balance at December 31, 2021		423,742			10
Accrued contract obligations-changes in estimate		26,183			—
Accretion of discount		44,154			—
Payments		(98,399	)		(10	)
Balance at December 31, 2022	$	395,680		$	—