5. CONTENT ASSETS:

The gross cost and accumulated amortization of content assets is as follows:


	As of December 31,				Period of
	2019		2018		Amortization
	(In thousands)
Produced content assets:
Completed	$	349,521	$	318,234
In-production		9,472		13,578
Licensed content assets acquired:
Acquired		46,515		35,866
Content assets, at cost		405,508		367,678	1‑10 Years
Less: Accumulated amortization		(304,745)		(256,461)
Content assets, net		100,763		111,217
Current portion		(30,642)		(33,951)
Noncurrent portion	$	70,121	$	77,266

Produced content assets include certain unamortized costs that will not be 80% amortized within three years from December 31, 2019, totaling approximately $13.0 million. Approximately 41.5% of these unamortized costs are expected to be amortized within three years from December 31, 2019. The remaining balance of these costs will be amortized through the year ending December 31, 2029.

Future estimated content amortization expense related to agreements entered into as of December 31, 2019, for years 2020 through 2024 is as follows:


	(In thousands)
2020	$	30,642
2021	$	22,089
2022	$	14,268
2023	$	5,976
2024	$	1,380

Future estimated content amortization expense is not included for in-production content assets in the table above.

Future minimum content payments required under agreements entered into as of December 31, 2019, are as follows:


	(In thousands)
2020	$	14,804
2021	$	8,727
2022	$	5,338
2023	$	761