Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The carrying amount of goodwill, by operating segment is as follows:

(In thousands)	Domestic Operations		International and Other		Total
December 31, 2020	$	333,502	$	352,905	$	686,407
Goodwill written off related to spin-off of a business unit	—		(476)		(476)
Additions	—		11,901		11,901
Amortization of "second component" goodwill	(1,008)		—		(1,008)
Foreign currency translation	—		(7,185)		(7,185)
September 30, 2021	$	332,494	$	357,145	$	689,639

Schedule of Finite-Lived Intangible Assets

The following tables summarize information relating to the Company's identifiable intangible assets:

(In thousands)	September 30, 2021
	Gross		Accumulated Amortization		Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	640,319	$	(348,061)	$	292,258	6 to 25 years
Advertiser relationships	46,282		(29,183)		17,099		11 years
Trade names and other amortizable intangible assets	103,844		(41,323)		62,521		3 to 20 years
Total amortizable intangible assets	790,445		(418,567)		371,878
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	810,345	$	(418,567)	$	391,778
(In thousands)	December 31, 2020
	Gross		Accumulated Amortization		Net
Amortizable intangible assets:
Affiliate and customer relationships	$	624,699	$	(330,350)	$	294,349
Advertiser relationships	46,282		(26,028)		20,254
Trade names and other amortizable intangible assets	116,526		(40,357)		76,169
Total amortizable intangible assets	787,507		(396,735)		390,772
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	807,407	$	(396,735)	$	410,672

Schedule of Indefinite-Lived Intangible Assets

The following tables summarize information relating to the Company's identifiable intangible assets:

(In thousands)	September 30, 2021
	Gross		Accumulated Amortization		Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	640,319	$	(348,061)	$	292,258	6 to 25 years
Advertiser relationships	46,282		(29,183)		17,099		11 years
Trade names and other amortizable intangible assets	103,844		(41,323)		62,521		3 to 20 years
Total amortizable intangible assets	790,445		(418,567)		371,878
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	810,345	$	(418,567)	$	391,778
(In thousands)	December 31, 2020
	Gross		Accumulated Amortization		Net
Amortizable intangible assets:
Affiliate and customer relationships	$	624,699	$	(330,350)	$	294,349
Advertiser relationships	46,282		(26,028)		20,254
Trade names and other amortizable intangible assets	116,526		(40,357)		76,169
Total amortizable intangible assets	787,507		(396,735)		390,772
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	807,407	$	(396,735)	$	410,672

Schedule of Estimated Amortization Expense

Estimated aggregate amortization expense for intangible assets subject to amortization for each of the following five years is:

(In thousands)
Years Ending December 31,
2021	$	39,378
2022	40,703
2023	40,618
2024	40,549
2025	38,763