Goodwill, Intangible Assets, and Capitalized Costs Incurred in Cloud Computing Arrangements (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Details of the Company’s goodwill were as follows (in thousands):

	Total
Beginning balance at December 31, 2019	$	7,370
Additions for Merger with Telaria (Note 10)	150,755
Ending balance at December 31, 2020	158,125
Additions for Acquisition of SpotX (Note 10)	782,831
Additions for Acquisition of SpringServe (Note 10)	24,156
Additions for Acquisition of Nth Party (Note 10)	4,761
Ending balance at December 31, 2021	$	969,873

Schedule of Finite-Lived Intangible Assets

The Company’s intangible assets as of December 31, 2021 and 2020 included the following:

	December 31, 2021		December 31, 2020
	(in thousands)
Amortizable intangible assets:
Developed technology	$	378,958	$	77,658
Customer relationships	173,950		37,950
In-process research and development	14,630		8,030
Non-compete agreements	2,270		70
Trademarks	1,400		—
Total identifiable intangible assets, gross	571,208		123,708
Accumulated amortization—intangible assets:
Developed technology	(75,850)		(21,905)
Customer relationships	(65,702)		(11,877)
In-process research and development	(1,250)		—
Non-compete agreements	(1,197)		(42)
Trademarks	(594)		—
Total accumulated amortization—intangible assets	(144,593)		(33,824)
Total identifiable intangible assets, net	$	426,615	$	89,884

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The estimated remaining amortization expense associated with the Company's intangible assets was as follows as of December 31, 2021:

Fiscal Year	Amount
	(in thousands)
2022	$	148,541
2023	103,173
2024	85,298
2025	67,748
2026	21,855
Thereafter	—
Total	$	426,615