
	As of December 31, 2020
Items	Gross Carrying Amount		Accumulated Amortization			Accumulated Impairment			Net Carrying Amount




Purchased video content	$	212,999	$	(161,160	)	$	(50,088	)	$	1,751
Operating rights for licensed games		51,856		(35,017	)		(14,026	)		2,813
Domain names and trademarks		27,536		(10,243	)		(17,219	)		74
Computer software		11,749		(11,545	)		0			204
Developed technologies		8,699		(918	)		(7,781	)		0
Others		2,928		(966	)		(1,962	)		0

Total	$	315,767	$	(219,849	)	$	(91,076	)	$	4,842

	As of December 31, 2021
Items	Gross Carrying Amount		Accumulated Amortization			Accumulated Impairment			Net Carrying Amount




Purchased video content	$	138,902	$	(99,961	)	$	(37,343	)	$	1,598
Operating rights for licensed games		60,454		(39,431	)		(13,895	)		7,128
Domain names and trademarks		26,766		(10,240	)		(16,506	)		20
Computer software		12,474		(12,084	)		0			390
Developed technologies		8,879		(936	)		(7,943	)		0
Others		2,996		(988	)		(2,008	)		0

Total	$	250,471	$	(163,640	)	$	(77,695	)	$	9,136

Impairment Losses

In 2021, Sohu recognized a $14,000 impairment loss related to Sohu Video’s purchased video content pursuant to the Sohu Group’s policy on impairment of overseas content. Changyou recognized a $1.7 million impairment loss related to content and game licenses, of which $0.1 million was recognized as impairment of intangible assets and $1.6 million was recognized as impairment of prepaid and other current assets.

In 2020

Sohu recognized a $

1.5

million impairment loss related to Sohu Video’s purchased video content pursuant to the Sohu Group’s policy on impairment of overseas content. Changyou recognized a $

2.7

million impairment loss related to content and game licenses, of which $

0.8

million was recognized as impairment of intangible assets and $

1.9

million was recognized as impairment of prepaid and other current assets.

In 2019, Sohu recognized a $7.2 million impairment loss for a domain name related to the 56.com Website, mainly due to enhanced restrictions that Chinese regulatory authorities imposed on the broadcasting industry, which had an adverse effect on the operation of the 56.com Website. Also in 2019, Sohu recognized a $4.0 million impairment loss related to Sohu Video’s purchased video content pursuant to the Sohu Group’s policy on impairment of overseas content.

Amortization

In 2021, 2020 and 2019, amortization of intangible assets was $12.5 million, $14.4 million and $38.8 million, respectively. As of December 31, 2021, amortization expenses for future periods are estimated to be as follows:


For the year ended December 31,	(in thousands)

2022		4,357
2023		3,761
2024		1,018
2025		0
2026		0
Thereafter		0

Total expected amortization expense	$	9,136