Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 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)
Amortization of "second component" goodwill	(336)		—		(336)
Foreign currency translation	—		(2,963)		(2,963)
March 31, 2021	$	333,166	$	349,466	$	682,632

Schedule of Finite-Lived Intangible Assets

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

(In thousands)	March 31, 2021
	Gross		Accumulated Amortization		Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	621,136	$	(335,631)	$	285,505	6 to 25 years
Advertiser relationships	46,282		(27,080)		19,202		11 years
Trade names and other amortizable intangible assets	104,902		(39,590)		65,312		3 to 20 years
Total amortizable intangible assets	772,320		(402,301)		370,019
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	792,220	$	(402,301)	$	389,919
(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)	March 31, 2021
	Gross		Accumulated Amortization		Net		Estimated Useful Lives
Amortizable intangible assets:
Affiliate and customer relationships	$	621,136	$	(335,631)	$	285,505	6 to 25 years
Advertiser relationships	46,282		(27,080)		19,202		11 years
Trade names and other amortizable intangible assets	104,902		(39,590)		65,312		3 to 20 years
Total amortizable intangible assets	772,320		(402,301)		370,019
Indefinite-lived intangible assets:
Trademarks	19,900		—		19,900
Total intangible assets	$	792,220	$	(402,301)	$	389,919
(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	$	37,433
2022	37,161
2023	37,073
2024	37,004
2025	35,203