Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenue	$ 663,411	$ 392,361
Costs and expenses:
Cost of revenue	56,267	37,089
Research and development	207,246	191,271
Sales and marketing	151,472	90,685
General and administrative	65,514	69,413
Total costs and expenses	480,499	388,458
Income from operations	182,912	3,903
Other income (expense), net	22,816	20,534
Income before income taxes	205,728	24,437
Income tax expense (benefit)	1,747	(1,721)
Net income	$ 203,981	$ 26,158
Net income per share attributable to Class A and Class B common stock (Note 4)
Basic (in dollars per share)	$ 1.07	$ 0.14
Diluted (in dollars per share)	$ 1.01	$ 0.13
Weighted-average shares of Class A and Class B common stock used to compute net income per share attributable to common stockholders
Basic (in shares)	191,518,973	182,024,207
Diluted (in shares)	202,524,173	201,275,223