Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

We operate as one operating and reportable segment which includes the goodwill balances as of December 31, 2019 and December 31, 2018 shown below (in thousands):



	Goodwill
Balance as of Dec. 31, 2017	$	2,579,417
KFMB Stations acquisition	17,446
Balance as of Dec. 31, 2018	2,596,863
Recent Acquisitions	355,368
Disposition of a business unit	(1,644		)
Balance as of Dec. 31, 2019	$	2,950,587

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, 2019 and 2018 (in thousands):



	Gross		Accumulated Amortization			Net
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
Dec. 31, 2018
Indefinite-lived intangibles:
Television station FCC licenses	1,384,186		—			1,384,186
Amortizable intangible assets:
Retransmission agreements	121,594		(79,274		)	42,320
Network affiliation agreements	110,390		(30,802		)	79,588
Other	28,865		(8,882		)	19,983
Total indefinite-lived and amortizable intangible assets	$	1,645,035	$	(118,958	)	$	1,526,077

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, 2019 (in thousands):



2020	$	73,439
2021	67,351
2022	64,209
2023	57,793
2024	51,330
Thereafter	156,760
Total	$	470,882