Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 515,895	$ 401,176
Marketable securities	1,229,072	811,946
Accounts receivable, net	283,890	245,279
Prepaid expenses and other current assets	31,974	21,286
Total current assets	2,060,831	1,479,687
Property and equipment, net	13,775	14,946
Operating lease right-of-use assets, net	23,872	24,008
Intangible assets, net	27,904	32,147
Goodwill	42,174	26,299
Other noncurrent assets	3,152	19,380
Total assets	2,171,708	1,596,467
Current liabilities:
Accounts payable	62,042	46,514
Operating lease liabilities	5,398	3,707
Accrued expenses and other current liabilities	104,844	83,349
Total current liabilities	172,284	133,570
Operating lease liabilities, noncurrent	21,567	22,040
Other noncurrent liabilities	249	287
Total liabilities	194,100	155,897
Commitments and contingencies (Note 10)
Convertible preferred stock, par value $0.0001 per share; no and 86,864,781 shares authorized as of September 30, 2024 and December 31, 2023, respectively; no and 73,021,449 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively; aggregate liquidation preference of $0 and $1,847,993 as of September 30, 2024 and December 31, 2023, respectively		1,853,492
Equity [Abstract]
Preferred stock, par value $0.0001 per share; 100,000,000 and no shares authorized as of September 30, 2024 and December 31, 2023, respectively; no shares issued and outstanding as of September 30, 2024 and December 31, 2023	0	0
Additional paid-in capital	3,245,315	302,820
Accumulated other comprehensive income (loss)	4,150	814
Accumulated deficit	(1,271,874)	(716,562)
Total stockholders’ equity (deficit)	1,977,608	(412,922)
Total liabilities, convertible preferred stock, and stockholders’ equity (deficit)	2,171,708	1,596,467
Class A common stock
Equity [Abstract]
Common stock	12	0
Class B common stock
Equity [Abstract]
Common stock	5	6
Class C common stock
Equity [Abstract]
Common stock	$ 0	$ 0