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GOODWILL AND INTANGIBLES - Definite-Lived Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 5.4 | $ 6.2 |
Accumulated Amortization | 4.4 | 4.7 |
Net Book Value | $ 1.0 | $ 1.5 |
Weighted avg useful life | 5 years 1 month 6 days | 5 years 2 months 12 days |
Client lists |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 2.0 | $ 2.0 |
Accumulated Amortization | 1.0 | 0.8 |
Net Book Value | $ 1.0 | $ 1.2 |
Weighted avg useful life | 5 years 1 month 6 days | 6 years 1 month 6 days |
Client lists | Minimum Years |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Period (Years) | 5 years | 5 years |
Client lists | Maximum Years |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Period (Years) | 10 years | 10 years |
Leases |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount |  | $ 0.8 |
Accumulated Amortization |  | 0.5 |
Net Book Value |  | $ 0.3 |
Weighted avg useful life |  | 1 year 10 months 24 days |
Leases | Minimum Years |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Period (Years) |  | 3 years |
Leases | Maximum Years |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Period (Years) |  | 6 years |
Domain name |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization Period (Years) | 5 years | 5 years |
Gross Carrying Amount | $ 3.4 | $ 3.4 |
Accumulated Amortization | 3.4 | 3.4 |
Net Book Value | $ 0.0 | $ 0.0 |
Weighted avg useful life | 0 years | 0 years |
Accounting Standards Update 2016-02 |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Definite-lived intangible assets transferred to right-of-use assets |  |  | $ 0.3

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- Definition Finite-Lived Intangible Asset Reclassified To Operating Lease Right-Of-Use Asset, Increase In Asset + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before 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 -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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