Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Debt Securities, Available-for-sale

The following table summarizes the Company’s marketable securities by significant investment categories (in thousands):

	June 30, 2022
	Amortized Cost		Gross Unrealized Loss		Fair Value
Commercial paper	$	71,337	$	—	$	71,337
U.S. Treasury and government debt securities	60,147		(387)		59,760
Total	$	131,484	$	(387)	$	131,097
	December 31, 2021
	Amortized Cost		Gross Unrealized Loss		Fair Value
Commercial paper	$	50,954	$	—	$	50,954
U.S. Treasury and government debt securities	26,203		(36)		26,167
Total	$	77,157	$	(36)	$	77,121

Property, Plant and Equipment

Property, equipment and software, net consists of the following (in thousands):

	June 30, 2022		December 31, 2021
Internal-use software	$	37,329	$	30,581
Network hardware, computer equipment and software	113,405		92,561
Leasehold improvements	2,748		2,426
Furniture and fixtures	1,024		1,448
Property, equipment and software, gross	154,506		127,016
Less: accumulated depreciation and amortization	(90,402)		(76,876)
Total property, equipment and software, net	$	64,104	$	50,140

Schedule of Accounts Payable and Accrued Liabilities

Accounts payable consists of the following (in thousands):

	June 30, 2022		December 31, 2021
Payable to publishers	$	218,455	$	235,440
Trade payables	18,951		8,881
Total accounts payable	$	237,406	$	244,321

Schedule of Accrued Liabilities

Accrued expenses consist of the following (in thousands):

	June 30, 2022		December 31, 2021
Accrued compensation	$	10,346	$	17,271
Accrued and other current liabilities	2,163		1,509
Total accrued expenses	$	12,509	$	18,780