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GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of intangible assets (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 320,476 | $ 322,490
Accumulated Amortization | (153,401) | (145,251)
Intangibles Net | 167,075 | 177,239
Tradenames | 144,775 | 144,775
Gross Carrying Value | 465,251 | 467,265
Intangibles Net | 311,850 | 322,014
Customer relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 270,398 | 272,399
Accumulated Amortization | (123,943) | (117,228)
Intangibles Net | $ 146,455 | 155,171
Customer relationships | Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 1 year |
Customer relationships | Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 16 years |
Domain names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 7 years |
Gross Carrying Value | $ 176 | 185
Accumulated Amortization | (173) | (183)
Intangibles Net | $ 3 | 2
Advertising relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 8 years |
Gross Carrying Value | $ 100 | 100
Accumulated Amortization | (96) | (94)
Intangibles Net | 4 | 6
Internally developed software and other intangibles |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 28,985 | 28,985
Accumulated Amortization | (20,481) | (19,613)
Intangibles Net | $ 8,504 | 9,372
Internally developed software and other intangibles | Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 6 months |
Internally developed software and other intangibles | Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 10 years |
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 20,817 | 20,821
Accumulated Amortization | (8,708) | (8,133)
Intangibles Net | $ 12,109 | $ 12,688
Trademarks | Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 3 years |
Trademarks | Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Useful Life | 10 years |

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