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PROPERTY AND EQUIPMENT, NET (Narrative) (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Nov. 17, 2021 USD ($) | Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciation and amortization expense |  | $ 53,100 | $ 59,400 | $ 68,200 |
Payments to acquire an office building |  | 42,243 | 32,146 | 28,415 |
Software Licenses |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Purchase price |  |  |  | 26,700 | $ 66,100
Payment to acquire assets |  |  |  | 6,800 | 13,300
Deferred contingent consideration |  |  |  | 19,900 | $ 52,800
Derecognition of intangible assets |  |  |  | (20,800) |
Decrease in deferred payments for asset acquisition |  |  |  | $ 21,400 |
Software Licenses | Discount rate |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Discount rate |  |  |  | 0.055 | 0.052
Minsk, Belarus | Buildings and land improvements |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Leased building, before accumulated depreciation |  | 20,000 | 10,600 |  |
Leased building, accumulated depreciation |  | 6,900 | 4,000 |  |
Depreciation expense |  | $ 1,200 | $ 800 | $ 500 |
Ukraine | Construction in progress |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Payments to acquire an office building | $ 50,100 |  |  |  |

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