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STOCKHOLDERS' EQUITY - Stock Plans, Restricted Stock and Share Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 60 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) shares | Jun. 30, 2025 USD ($) shares | Mar. 31, 2025 USD ($) shares | Sep. 30, 2024 USD ($) shares | Jun. 30, 2024 USD ($) shares | Mar. 31, 2024 USD ($) shares | Sep. 30, 2025 USD ($) plan shares | Sep. 30, 2024 USD ($) | Mar. 01, 2025 USD ($) | Jul. 25, 2024 USD ($) | Oct. 31, 2023 USD ($) | Mar. 05, 2020 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock | $ 403,027 | $ 692,204 | $ 445,298 | $ 345,576 | $ 389,508 | $ 252,095 |  |  |  |  |  |
Remaining authorized repurchase amount | 1,100,000 |  |  |  |  |  | $ 1,100,000 |  |  |  |  |
Payment to settle debt |  |  |  |  |  |  | $ 1,000,624 | $ 0 |  |  |  |
Number of share-based compensation plans | plan |  |  |  |  |  |  | 2 |  |  |  |  |
Capitalized share-based compensation expense | 9,400 |  |  | $ 12,400 |  |  | $ 24,600 | $ 29,500 |  |  |  |
Unrecognized compensation cost | $ 2,300,000 |  |  |  |  |  | $ 2,300,000 |  |  |  |  |
Unrecognized compensation cost, period for recognition (in years) |  |  |  |  |  |  | 3 years |  |  |  |  |
Common Stock Warrant, 2025 Notes |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate shares of capital stock (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  | 8,300,000
Warrants, weighted average exercise price (in USD per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 161.34
Warrants term | 60 days |  |  |  |  |  | 60 days |  |  |  |  |
Number of warrants exercised (in shares) | shares | 0 |  |  |  |  |  | 0 |  |  |  |  |
2015 Equity Incentive Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares available for future issuance (in shares) | shares | 127,600,000 |  |  |  |  |  | 127,600,000 |  |  |  |  |
2025 Stock Option Plan |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of shares reserved (in shares) | shares | 80,000,000 |  |  |  |  |  | 80,000,000 |  |  |  |  |
Shares available for future issuance (in shares) | shares | 77,900,000 |  |  |  |  |  | 77,900,000 |  |  |  |  |
2025 Convertible Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Payment to settle debt |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |
Class A and B common stock |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  |  |  |  |  |  | $ 3,000,000 | $ 1,000,000 |
Repurchase of common stock (in shares) | shares | 5,340,000 | 12,463,000 | 6,805,000 | 5,328,000 | 5,742,000 | 3,563,000 | 24,600,000 |  |  |  |  |
Repurchases of common stock |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |

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