Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Gross Carrying Amount and Accumulated Amortization for Intangible Assets Intangible Assets

The following table summarizes the gross carrying amount and accumulated amortization for the intangible assets (in thousands):  

	September 30, 2020
	Gross		Accumulated Amortization		Net		Weighted Average Amortization Period (Years)
Media service rights	$	35,934	$	(23,135)	$	12,799	1.7
Promotion service rights	33,548		(15,072)		18,476		2.7
Developed technologies	27,170		(17,344)		9,826		2.7
Customer relationships	22,690		(15,211)		7,479		2.8
Data access rights	10,801		(7,825)		2,976		1.6
Domain names	5,948		(5,590)		358		0.1
Trade names	2,823		(2,135)		688		0.6
Vendor relationships	2,510		(2,510)		—		0.0
Patents	975		(900)		75		2.1
Registered users	420		(420)		—		0.0
	$	142,819	$	(90,142)	$	52,677	2.5

	December 31, 2019
	Gross		Accumulated Amortization		Net		Weighted Average Amortization Period (Years)
Media service rights	$	34,684	$	(16,098)	$	18,586	2.2
Promotion service rights	30,548		(10,682)		19,866		3.6
Developed technologies	27,170		(12,790)		14,380		3.2
Customer relationships	22,690		(12,267)		10,423		3.3
Data access rights	10,801		(6,415)		4,386		2.3
Domain names	5,948		(5,540)		408		0.8
Trade names	2,823		(1,560)		1,263		2.2
Vendor relationships	2,510		(2,172)		338		0.4
Patents	975		(873)		102		2.8
Registered users	420		(420)		—		0.0
	$	138,569	$	(68,817)	$	69,752	3.0

Estimated Amortization of Intangible Assets

Estimated future amortization expense related to intangible assets as of September 30, 2020 is as follows (in thousands):    

	Total
2020, remaining three months	$	7,233
2021	22,959
2022	14,739
2023	6,585
2024	809
2025 and beyond	—
Total estimated amortization expense	$	52,325