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GOODWILL AND INTANGIBLES - Definite-Lived Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 32.3 | $ 5.4
Accumulated Amortization | 3.7 | 5.0
Net Book Value | $ 28.6 | $ 0.4
Weighted avg useful life | 9 years 3 months 18 days | 2 years 1 month 6 days
Client lists |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) | 10 years | 10 years
Gross Carrying Amount | $ 26.1 | $ 2.0
Accumulated Amortization | 3.3 | 1.6
Net Book Value | $ 22.8 | $ 0.4
Weighted avg useful life | 9 years 3 months 18 days | 2 years 1 month 6 days
Trademarks |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) | 10 years |
Gross Carrying Amount | $ 6.2 |
Accumulated Amortization | 0.4 |
Net Book Value | $ 5.8 |
Weighted avg useful life | 9 years 4 months 24 days |
Domain names |  |
Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period (Years) |  | 5 years
Gross Carrying Amount |  | $ 3.4
Accumulated Amortization |  | 3.4
Net Book Value |  | $ 0.0
Weighted avg useful life |  | 0 years

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Weighted average period before the next renewal or extension (both explicit and implicit) for intangible assets that have been renewed or extended, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -SubTopic 30 -Topic 350 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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