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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 22, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2023 USD ($) revenueCategory | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Proceeds from sale or divestment of investment |  | $ 18,900 |  | $ 18,924 | $ 0 | $ 6,950
Net cash provided by (used in) operating activities |  | 54,500 | $ 15,900 | (77,985) | (135,987) | (123,958)
Cash and cash equivalents |  | $ 141,563 | $ 281,279 | $ 141,563 | $ 281,279 | $ 498,726
Number of revenue category | revenueCategory |  |  |  | 3 |  |
Customer credit within issuance |  |  |  | 1 year |  |
Rights Offering | Subsequent Event |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Sale of stock, consideration raised | $ 80,000 |  |  |  |  |
Internally-developed software |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Intangible assets, useful life |  | 2 years |  | 2 years |  |
Minimum |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Intangible assets, useful life |  | 1 year |  | 1 year |  |
Contract with third party merchants, term |  |  |  | 12 months |  |
Minimum | Computer hardware and purchased software |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 3 years |  | 3 years |  |
Minimum | Office Equipment |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 3 years |  | 3 years |  |
Minimum | Furniture and fixtures and other |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 3 years |  | 3 years |  |
Maximum |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Intangible assets, useful life |  | 10 years |  | 10 years |  |
Contract with third party merchants, term |  |  |  | 18 months |  |
Maximum | Computer hardware and purchased software |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 5 years |  | 5 years |  |
Maximum | Office Equipment |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 5 years |  | 5 years |  |
Maximum | Furniture and fixtures and other |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Useful life of property and equipment |  | 5 years |  | 5 years |  |

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