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Common Stock and Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
Stock option activity under the Plans was as follows (in thousands, except share, per share amounts, and years):

Number of
Shares
Outstanding		Weighted-
Average
Exercise
Price		Weighted-
Average
Remaining
Contractual
Life in Years		Aggregate
Intrinsic
Value
Balance at December 31, 20242,402,529$28.56 3.90$346 
Stock option grants—$— N/A
Stock options exercised(11,575)$7.31 N/A$24 
Stock options forfeited(803,881)$30.34 N/A
Balance at December 31, 20251,587,073$27.82 3.40$160 
Vested or expected to vest at December 31, 20251,587,073$27.82 3.40$160 
Exercisable at December 31, 20251,472,501$28.35 3.07$160 
Schedule of Assumptions Used for Estimate of Fair Value of Options
The fair value of each option grant was estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions and fair value per share:

Year Ended
December 31,
202520242023
Volatility
N/A
67.86% - 67.94%
65.60% - 68.20%
Expected term (in years)N/A4.34.3
Risk-free interest rate
N/A
3.85% - 3.90%
3.68%-4.67%
Dividend yieldN/A0%0%
Weighted-average fair value of underlying stock optionsN/A$11.55$11.45
Schedule of Restricted Stock Units Activity
RSU activity under the Plans was as follows:

RSUsWeighted-Average
Grant Date
Fair Value Per RSU
Balance at December 31, 20247,298,676$19.72 
Granted6,571,414$9.23 
Vested and issued(4,307,312)$21.42 
Forfeited(1,771,863)$13.91 
Balance at December 31, 20257,790,915$11.20 
Vested and unissued at December 31, 2025142,488$25.14 
Non-vested at December 31, 20257,648,427$10.90 
Schedule of Performance-Based Units Activity
PSU activity under the Plans was as follows:

SharesWeighted-Average
Grant Date
Fair Value Per PSU
Balance at December 31, 20242,084,339$19.05 
Granted2,467,559$9.93 
Vested and issued(53,974)$26.73 
Forfeited(599,422)$12.34 
Performance adjustment (1)(797,040)
Balance at December 31, 2025 (2)3,101,462$10.80 
Vested and unissued at December 31, 2025—$— 
Non-vested at December 31, 20253,101,462$10.80 
(1)Based on the Company's 2024 results, no PSUs were earned.
(2)The number of units outstanding reflects shares at target payout.
Schedule of Total Compensation Costs for Stock-Based Awards
The following table reflects stock-based compensation expense by award type for the indicated periods (in thousands):

Year Ended
December 31,
202520242023
Options$2,320 $6,929 $9,366 
RSUs73,297 134,678 181,023 
PSUs3,516 2,181 7,128 
Employee stock purchase plan1,281 2,163 4,033 
Total stock-based compensation expense$80,414 $145,951 $201,550 

Total compensation costs for stock-based awards were recorded as follows (in thousands):

Year Ended
December 31,
202520242023
Cost of revenue (exclusive of depreciation and amortization, which are shown separately)$2,082 $4,782 $5,478 
Advertising and marketing4,894 12,575 15,300 
Sales13,817 24,807 35,448 
Technology and development17,477 34,855 58,336 
General and administrative42,144 68,932 86,988 
Total stock-based compensation expense 80,414 145,951 201,550 
Capitalized stock-based compensation7,549 12,723 19,439 
Total stock-based compensation$87,963 $158,674 $220,989 
Schedule of Unrecognized Compensation Cost
As of December 31, 2025, the Company had unrecognized compensation cost related to outstanding stock-based award as follows (dollars in thousands):

Award TypeUnearned CompensationWeighted Average Remaining Life
(Years)
Options$1,263 1.7
RSUs$63,521 1.7
PSUs$7,434 2.0