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COMMITMENTS AND CONTINGENCIES (Details) | Sep. 15, 2022 USD ($) | May 09, 2022 USD ($) | Dec. 31, 2024 USD ($) | Dec. 04, 2024 lawsuit | Dec. 31, 2023 USD ($) | Sep. 29, 2022 USD ($)
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Loss Contingencies [Line Items] |  |  |  |  |  |
Accrued losses for litigation |  |  | $ 0 |  | $ 0 |
Outstanding letters of credit |  |  | $ 27,300,000 |  | $ 27,300,000 |
Appian Corp. v. Pegasystems Inc. & Youyong Zou |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Outstanding letters of credit |  |  |  |  |  | $ 25,000,000
Appian Corp. v. Pegasystems Inc. & Youyong Zou | Judicial Ruling |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, damages awarded, value | $ 2,060,479,287 |  |  |  |  |
Class Action, Case 12999 and Case 11220 | Pending Litigation |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Percentage of settlement class that opted out of court approved settlement |  |  |  | 3.00% |  |
Number of pending lawsuits | lawsuit |  |  |  | 2 |  |
Trade Secret Misappropriation | Appian Corp. v. Pegasystems Inc. & Youyong Zou |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Legal fees, post-judgement interest rate, percentage | 6.00% |  |  |  |  |
Trade Secret Misappropriation | Appian Corp. v. Pegasystems Inc. & Youyong Zou | Judicial Ruling |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, damages awarded, value |  | $ 2,036,860,045 |  |  |  |
Violation of the Virginia Computer Crimes Act | Appian Corp. v. Pegasystems Inc. & Youyong Zou | Judicial Ruling |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Loss contingency, damages awarded, value |  | $ 1.00 |  |  |  |

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