Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Income Statement [Abstract]
Revenue	$ 1,598,993	$ 1,344,930	$ 3,127,784	$ 2,708,147
Costs and expenses:
Cost of revenue	667,885	653,333	1,333,126	1,292,912
Research and development	542,092	443,325	1,020,388	867,490
Sales and marketing	298,399	257,853	537,410	515,810
General and administrative	261,338	250,095	482,030	485,457
Total costs and expenses	1,769,714	1,604,606	3,372,954	3,161,669
Operating loss	(170,721)	(259,676)	(245,170)	(453,522)
Interest income	24,672	33,199	51,131	70,217
Interest expense	(36,941)	(27,607)	(73,697)	(51,006)
Other income (expense), net	21,502	(823)	20,488	48,246
Loss before income taxes	(161,488)	(254,907)	(247,248)	(386,065)
Income tax expense	(2,472)	(7,663)	(5,663)	(16,092)
Net loss	$ (163,960)	$ (262,570)	$ (252,911)	$ (402,157)
Net loss per share attributable to Class A, Class B, and Class C common stockholders (Note 3):
Basic (in usd per share)	$ (0.10)	$ (0.16)	$ (0.15)	$ (0.24)
Diluted (in usd per share)	$ (0.10)	$ (0.16)	$ (0.15)	$ (0.24)
Weighted average shares used in computation of net loss per share:
Basic (in shares)	1,663,449	1,674,854	1,675,483	1,685,544
Diluted (in shares)	1,663,449	1,674,854	1,675,483	1,685,544

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Cash flows from operating activities
Net loss	$ (163,960)	$ (262,570)	$ (252,911)	$ (402,157)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	46,945	40,023	91,641	77,738
Stock-based compensation	263,189	251,886	513,229	499,224
Amortization of debt issuance costs and debt discount (premium)	(967)	(550)	(1,898)	7,092
Losses (gains) on debt and equity securities, net	(129)	(1,208)	716	14,592
Gain on extinguishment of debt	0	0	0	(66,939)
Other	10,909	12,362	16,035	11,557
Change in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable, net of allowance	(67,614)	(3,088)	107,021	191,128
Prepaid expenses and other current assets	(14,460)	(7,058)	(30,730)	(29,886)
Operating lease right-of-use assets	15,734	13,797	30,848	27,920
Other assets	159	(2,117)	(81)	6,893
Accounts payable	(59,745)	(94,203)	(37,701)	(59,943)
Accrued expenses and other current liabilities	155,599	147,695	87,950	(14,873)
Operating lease liabilities	(9,011)	(8,492)	(21,466)	(25,485)
Other liabilities	(435)	2,017	340	3,243
Net cash provided by operating activities	176,214	88,494	502,993	240,104
Cash flows from investing activities
Purchases of property and equipment	(55,676)	(64,701)	(96,448)	(101,915)
Purchases of strategic investments	0	(20,000)	(5,934)	(20,000)
Cash paid for acquisitions, net of cash acquired	(25,678)	(35,499)	(65,048)	(35,499)
Purchases of marketable securities	(213,798)	(390,866)	(516,158)	(626,665)
Sales of marketable securities	55,359	425,157	287,457	437,158
Maturities of marketable securities	216,138	301,348	429,738	565,114
Other	(500)	0	(500)	0
Net cash provided by (used in) investing activities	(24,155)	215,439	33,107	218,193
Cash flows from financing activities
Proceeds from issuance of notes, net of issuance costs	0	0	0	1,473,083
Repurchases of Class A non-voting common stock	(250,465)	(243,473)	(600,964)	(500,573)
Deferred payments for acquisitions	(2,642)	(9,562)	(2,642)	(67,539)
Repurchases of convertible notes	0	0	0	(1,444,626)
Repayment of convertible notes	0	(36,240)	0	(36,240)
Other	(1,799)	(1,800)	(3,400)	(3,699)
Net cash used in financing activities	(254,906)	(291,075)	(607,006)	(579,594)
Change in cash, cash equivalents, and restricted cash	(102,847)	12,858	(70,906)	(121,297)
Cash, cash equivalents, and restricted cash, beginning of period	1,063,338	916,079	1,031,397	1,050,234
Cash, cash equivalents, and restricted cash, end of period	$ 960,491	$ 928,937	$ 960,491	$ 928,937

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 958,848	$ 1,030,435
Marketable securities	1,700,910	1,910,137
Accounts receivable, net of allowance	1,237,338	1,372,237
Prepaid expenses and other current assets	309,533	272,065
Total current assets	4,206,629	4,584,874
Property and equipment, net	586,268	578,075
Operating lease right-of-use assets	562,091	506,216
Intangible assets, net	94,306	66,613
Goodwill	1,780,133	1,720,769
Other assets	240,733	221,255
Total assets	7,470,160	7,677,802
Current liabilities
Accounts payable	177,419	219,793
Operating lease liabilities	47,823	48,479
Accrued expenses and other current liabilities	1,054,528	971,627
Short-term debt, net	153,159	46,969
Total current liabilities	1,432,929	1,286,868
Long-term debt, net	3,381,448	3,489,860
Operating lease liabilities, noncurrent	643,317	557,823
Other liabilities	85,378	61,756
Total liabilities	5,543,072	5,396,307
Commitments and contingencies (Note 8)
Stockholders’ equity
Treasury stock, at cost. 43,527 and 44,670 shares of Class A non-voting common stock at June 30, 2026 and December 31, 2025, respectively.	(424,577)	(435,722)
Additional paid-in capital	17,143,598	16,637,324
Accumulated deficit	(14,800,691)	(13,946,816)
Accumulated other comprehensive income	8,741	26,692
Total stockholders’ equity	1,927,088	2,281,495
Total liabilities and stockholders’ equity	7,470,160	7,677,802
Class A non-voting common stock
Stockholders’ equity
Common stock, value	15	15
Class B voting common stock
Stockholders’ equity
Common stock, value	0	0
Class C voting common stock
Stockholders’ equity
Common stock, value	$ 2	$ 2