Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense recorded in the condensed consolidated statements of operations was as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2024		2023		2024		2023
Platform operations	$	7,272	$	4,967	$	12,827	$	8,913
Sales and marketing	25,068		18,800		45,360		32,923
Technology and development	32,509		26,689		60,483		47,556
General and administrative	61,491		66,627		118,290		141,161
Total	$	126,340	$	117,083	$	236,960	$	230,553

Summary of Stock Option Activity

The following summarizes stock option activity:

	Shares Under Options (in thousands)	Weighted- Average Exercise Price
Outstanding as of December 31, 2023	12,258	$	31.05
Granted	2,353	81.50
Exercised	(1,886)	20.45
Expired/Forfeited	(168)	52.99
Outstanding as of June 30, 2024	12,557	$	41.80
Exercisable as of June 30, 2024	7,911	$	23.85

Summary of Restricted Stock Activity

The following summarizes restricted stock activity:

	Shares (in thousands)	Weighted- Average Grant Date Fair Value
Unvested as of December 31, 2023	10,546	$	62.22
Granted	3,979	81.84
Vested	(2,088)	57.88
Forfeited	(426)	63.21
Unvested as of June 30, 2024	12,011	$	69.44