Amortizable Intangible Assets

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Amortizable Intangible Assets

NOTE 11. AMORTIZABLE INTANGIBLE ASSETS

The following tables provide a summary of our significant classes of amortizable intangible assets:

	As of December 31, 2020
			Accumulated
	Cost		Amortization			Net
	(Dollars in thousands)
Customer lists and contracts	$	24,012	$	(22,533	)	$	1,479
Domain and brand names		20,350		(19,127	)		1,223
Favorable and assigned leases		2,188		(1,943	)		245
Subscriber base and lists		9,886		(8,974	)		912
Author relationships		2,771		(2,765	)		6
Non-compete agreements		2,041		(1,954	)		87
Other amortizable intangible assets		1,666		(1,601	)		65
	$	62,914	$	(58,897	)	$	4,017

	As of December 31, 2019
			Accumulated
	Cost		Amortization			Net
	(Dollars in thousands)
Customer lists and contracts	$	23,833	$	(21,823	)	$	2,010
Domain and brand names		20,332		(17,727	)		2,605
Favorable and assigned leases		2,188		(1,920	)		268
Subscriber base and lists		9,886		(8,251	)		1,635
Author relationships		2,771		(2,609	)		162
Non-compete agreements		2,041		(1,798	)		243
Other amortizable intangible assets		1,666		(1,489	)		177
	$	62,717	$	(55,617	)	$	7,100

Amortization expense was approximately $3.3 million and $4.6 million for the years ended December 31, 2020 and 2019. Based on the amortizable intangible assets as of December 31, 2020, we estimate amortization expense for the next five years to be as follows:

Year ended December 31,	Amortization Expense
	(Dollars in thousands)
2021	$	1,846
2022		1,209
2023		675
2024		82
2025		8
Thereafter		197
Total	$	4,017