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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2025

Share-Based Payment Arrangement [Abstract]

Summary of Stock-based Compensation

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

			Three Months Ended September 30,												Nine Months Ended September 30,
			2025						2024						2025						2024
Platform operations			$	1,025					$	553					$	2,915					$	1,513
Sales and marketing			1,770						1,180						5,089						3,074
Technology and development			1,091						693						2,886						1,844
General and administrative			2,542						2,903						7,520						8,875
Total			$	6,428					$	5,329					$	18,410					$	15,306

Summary of RSU Activity

The following summarizes RSU activity:

			Number of Shares (in thousands)						Weighted-Average Grant Date Fair Value
RSUs outstanding as of December 31, 2024			4,459						$	9.08
Granted			2,600						12.35
Vested			(2,166)						7.75
Canceled/forfeited			(285)						9.46
RSUs outstanding as of September 30, 2025			4,608						$	11.53

Summary of Nonqualified Stock Option Activity

The following summarizes NQSO activity:

			Number of Options (in thousands)						Weighted-Average Exercise Price						Weighted-Average Remaining Contractual Term (years)						Aggregate Intrinsic Value (in thousands)(1)
NQSOs outstanding as of December 31, 2024			5,128						$	5.94					7.6						$	66,959
Granted			—						—
Exercised			(387)						5.38
Canceled			(39)						4.90
Expired			(3)						4.11
NQSOs outstanding as of September 30, 2025			4,699						$	5.99					6.9						$	13,202
Vested and exercisable			3,965						$	5.77					6.8						$	11,807

Summary of Assumptions used in Black-Scholes Model to Determine Fair Value of Nonqualified Stock Options Granted

The assumptions used in the Black-Scholes model to determine the fair value of NQSOs were as follows:

			Three and Nine Months Ended September 30,
			2025						2024
Risk-free interest rate			—						4.1%
Expected volatility			—						74.4%
Expected term (in years)			—						5.8
Expected dividend yield			—						0.0%

Class of Treasury Stock

Shares of Class A common stock and Class B units repurchased by the Company under the stock repurchase program were as follows (in thousands):

			Three Months Ended September 30, 2025												Nine Months Ended September 30, 2025
			Shares						Amount(1)						Shares						Amount(1)
Class A common stock repurchases			1,025						$	9,974					3,031						$	37,945
Class B unit repurchases			—						—						—						—
Total repurchases			1,025						$	9,974					3,031						$	37,945

(1)Amount includes costs associated with the repurchase such as commissions.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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