Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following table presents the Company’s estimated fair value measurements and related classifications for liabilities measured on a recurring basis as of September 30, 2021:

	Quoted Prices in
	Active Markets		Significant
	for Identical		Other		Significant
	Assets and		Observable		Unobservable		Balance at
	Liabilities		Inputs		Inputs		September 30,
	(Level 1)		(Level 2)		(Level 3)		2021
Liabilities:	(In thousands)
Long-term obligations (a)	$	984,400	$	1,200,000	$	—	$	2,184,400

(a) Reflected at carrying value, net of unamortized debt issuance costs and discounts, in the unaudited condensed consolidated balance sheet as current maturities of long-term debt of $12.0 million and long-term debt of $2.106 billion as of September 30, 2021.

 The following table presents the Company’s estimated fair value measurements and related classifications for liabilities measured on a recurring basis as of December 31, 2020:

	Quoted Prices in
	Active Markets		Significant
	for Identical		Other		Significant
	Assets and		Observable		Unobservable		Balance at
	Liabilities		Inputs		Inputs		December 31,
	(Level 1)		(Level 2)		(Level 3)		2020
Liabilities:	(In thousands)
Long-term obligations (a)	$	787,975	$	1,492,378	$	—	$	2,280,353

(a) Reflected at carrying value, net of unamortized debt issuance costs and discounts, in the unaudited condensed consolidated balance sheet as current maturities of long-term debt of $15.5 million and long-term debt of $2.177 billion as of December 31, 2020.