Exit and Termination Costs (Tables)

6 Months Ended

Jun. 30, 2022

Restructuring and Related Activities [Abstract]

Summary of Exit and Termination Costs

The following summarizes our exit and termination costs for the three and six months ended June 30, 2022 and 2021 (in thousands):

	Three Months Ended June 30,					Six Months Ended June 30,
	2022		2021			2022		2021
Severance costs	$	—	$	—		$	—	$	509
Transportation contract capacity releases   (including accretion of discount)		162		184			323		394
Divestiture contract obligation (including accretion    of discount)		35,907		(16,130	)		46,861		(3,135	)
	$	36,069	$	(15,946	)	$	47,184	$	(2,232	)

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 six months ended June 30, 2022 (in thousands):

	Exit Costs (1)			Termination Costs
Balance at December 31, 2021	$	423,742		$	10
Accretion of discount		22,408			—
Changes in estimate		24,776			—
Payments		(50,525	)		(10	)
Balance at June 30, 2022	$	420,401		$	—

(1) Includes the divestiture contract obligation and the transportation contract capacity release obligation.