Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2021

Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets and Related Accumulated Amortization

The details of intangible assets and related accumulated amortization are set forth below:

	As of September 30, 2021						As of December 31, 2020
	Gross value		Accumulated amortization		Net value		Gross value		Accumulated amortization		Net value
Publisher and data supply relationships	$	7,500	$	1,146	$	6,354	$	—	$	—	$	—
Tradenames		2,720		2,040		680		2,720		1,634		1,086
Completed technologies		20,292		16,352		3,940		20,292		13,037		7,255
Customer relationships		52,159		34,201		17,958		45,239		24,989		20,250
Total intangible assets	$	82,671	$	53,739	$	28,932	$	68,251	$	39,660	$	28,591

Summary of Total Estimated Future Amortization Expense

Total estimated future amortization expense is as follows:

	As of September 30, 2021
Year ended December 31,
Remaining three months of 2021	$	4,952
2022		15,332
2023		6,040
2024		2,002
2025		482
2026 and thereafter		124
Total	$	28,932