Amortizable Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Significant Classes of Amortizable Intangible Assets

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

	As of June 30, 2019
			Accumulated
	Cost		Amortization			Net
	(Dollars in thousands)
Customer lists and contracts	$	23,641	$	(21,197	)	$	2,444
Domain and brand names		20,280		(16,891	)		3,389
Favorable and assigned leases		2,188		(1,903	)		285
Subscriber base and lists		9,886		(7,727	)		2,159
Author relationships		2,771		(2,532	)		239
Non-compete agreements		2,031		(1,718	)		313
Other amortizable intangible assets		1,666		(1,434	)		232
	$	62,463	$	(53,402	)	$	9,061
	As of December 31, 2018
			Accumulated
	Cost		Amortization			Net
	(Dollars in thousands)
Customer lists and contracts	$	24,673	$	(21,798	)	$	2,875
Domain and brand names		21,358		(16,758	)		4,600
Favorable and assigned leases		2,256		(1,953	)		303
Subscriber base and lists		9,672		(7,198	)		2,474
Author relationships		2,771		(2,454	)		317
Non-compete agreements		2,048		(1,641	)		407
Other amortizable intangible assets		1,666		(1,378	)		288
	$	64,444	$	(53,180	)	$	11,264

Amortizable Intangible Assets, Estimate Amortization Expense

Based on the amortizable intangible assets as of June 30, 2019, we estimate amortization expense for the next five years to be as follows:

Year Ended December 31,	Amortization Expense
	(Dollars in thousands)
2019 (July – Dec)	$	2,190
2020		3,203
2021		1,723
2022		1,098
2023		588
Thereafter		259
Total	$	9,061