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INCOME TAXES - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 24, 2018
Operating Loss Carryforwards [Line Items] |  |  |  |
Tax credit carryforward | $ 28,900 |  |  |
Significant change in shareholder ownership, period of change | 3 years |  |  |
Significant change in shareholder ownership, benchmark percentage | 50.00% |  |  |
Deferred tax assets, valuation allowance | $ 488,550 | $ 471,515 |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 14,900 | 21,000 | $ 15,300 |
Unrecognized tax benefits that would impact effective tax rate | 11,200 | 12,700 | 13,900 |
Unrecognized tax benefits, income tax penalties and interest expense | (300) | 1,900 | $ 500 |
Accrued expenses and other |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Unrecognized tax benefits, income tax penalties and interest accrued | 2,900 | 3,200 |  |
Edgewater |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards acquired |  |  |  | $ 112,300
Annual limitation | 9,700 |  |  |
ECI |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Net operating loss carryforwards acquired |  |  |  | $ 41,900
Annual limitation | 1,100 |  |  |
Domestic Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 152,500 |  |  |
Deferred tax assets, valuation allowance | 25,500 | 30,500 |  |
State and Local Jurisdiction |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 18,800 |  |  |
Israel |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Operating loss carryforwards | 1,600,000 |  |  |
Foreign Tax Authority |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Deferred tax assets, valuation allowance | $ 463,000 | $ 441,000 |  |

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