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SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2021 | Sep. 30, 2025
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Share-based compensation cost |  |  | $ 177,011 | $ 147,117 | $ 100,186 |  |
Options granted | [1] |  | 42,897 |  |  |  |
Share-based compensation |  |  | $ 178,825 | $ 148,261 | $ 102,183 |  |
Percentage of ownership |  |  | 25.00% |  |  |  |
Shares reserved for issuance under ESPP |  |  | 1,048,635 | 1,156,437 |  |  |
Shares reduce for issuance under ESPP |  |  |  | 778,500 |  |  |
Employee Share Purchase Plan [Member] |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Shares reserved for issuance under ESPP |  |  |  |  |  | 194,625 |
Ordinary shares repurchased |  | 304,269 | 304,269 |  |  |  |
Share Repurchase Program [Member] |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Share repurchase authorization amount |  |  |  |  |  |  | $ 870,000
Share repurchase program remaining authorized amount |  | $ 734,972 | $ 734,972 |  |  |  |
Stock repurchased and retired during period, shares |  |  | 883,913 |  |  |  |
Amount of stock repurchased and retired |  | 135,028 |  |  |  |  |
Co-CEO |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Options granted |  |  | 22,481 | 74,108 | 73,074 |  |
2017 share option plan |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Weighted-average grant-date fair value of options granted |  |  | $ 252.64 | $ 217.99 | $ 86.26 |  |
Intrinsic value of options exercised |  |  | $ 123,083 | $ 265,405 | $ 112,799 |  |
Unamortized share-based compensation expense |  | $ 170,313 | $ 170,313 | $ 146,335 | $ 118,311 |  |
Weighted average period for cost expected to be recognized |  |  | 1 year 9 months 7 days | 1 year 9 months 3 days | 1 year 9 months |  |
2021 plan |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Number of ordinary shares reserved and available for grant and issuance |  | 10,841,262 | 10,841,262 | 8,941,243 |  |  |
Share reserve increased |  |  | 8,839,456 |  |  |  |
Unrecognized compensation cost related to unvested restricted share units |  | $ 164,201 | $ 164,201 | $ 137,265 | $ 96,112 |  |
Weighted average period for cost expected to be recognized |  |  | 1 year 9 months 7 days | 1 year 9 months 7 days | 1 year 9 months 18 days |  |
2024 Foundation plan |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Number of ordinary shares reserved and available for grant and issuance |  | 14,498 | 14,498 | 15,000 |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Options granted | [2] |  | 871,602 |  |  |  |
Weighted-average grant-date fair value of options granted | [2] |  | $ 258.17 |  |  |  |
Restricted Stock Units (RSUs) | Co-CEO |  |  |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |  |  |
Options granted |  |  | 62,211 | 48,129 | 22,928 |  |
[1] | Includes 73,074 performance-based options granted to the Company's Co-CEOs in 2022, 74,108 in 2023, 22,481 in 2024 and 20,217 in 2025, as applicable.
[2] | Includes 22,928 performance-based awards granted to the Company’s Co-CEOs in 2023, and 48,129 performance-based awards to the Company’s Co-CEOs and several executives in 2024.

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