Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

We operate as one operating and reportable segment which includes the goodwill balances as of December 31, 2020 and December 31, 2019 shown below (in thousands):

	Goodwill
Balance as of Dec. 31, 2018	$	2,596,863
Acquisitions	355,368
Disposition of a business unit	(1,644)
Balance as of Dec. 31, 2019	2,950,587
Adjustments	18,106
Balance as of Dec. 31, 2020	$	2,968,693

Goodwill, Indefinite-Lived Intangible Assets, and Amortizable Intangible Assets

The following table displays indefinite-lived intangible assets and amortizable intangible assets as of December 31, 2020 and 2019 (in thousands):

	Gross		Accumulated Amortization		Net
Dec. 31, 2020
Indefinite-lived intangibles:
Television and radio station FCC broadcast licenses	$	2,123,898	$	—	$	2,123,898
Amortizable intangible assets:
Retransmission agreements	235,215		(138,928)		96,287
Network affiliation agreements	309,503		(72,694)		236,809
Other	70,610		(23,960)		46,650
Total indefinite-lived and amortizable intangible assets	$	2,739,226	$	(235,582)	$	2,503,644
Dec. 31, 2019
Indefinite-lived intangibles:
Television and radio station FCC broadcast licenses	$	2,090,732	$	—	$	2,090,732
Amortizable intangible assets:
Retransmission agreements	256,533		(105,212)		151,321
Network affiliation agreements	309,496		(48,174)		261,322
Other	73,305		(15,066)		58,239
Total indefinite-lived and amortizable intangible assets	$	2,730,066	$	(168,452)	$	2,561,614

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The following table shows the projected annual amortization expense related to amortizable intangible assets existing as of December 31, 2020 (in thousands):

2021	$	62,854
2022	59,711
2023	53,296
2024	47,132
2025	28,296
Thereafter	128,457
Total	$	379,746