INCOME TAXES - Narrative (Details) - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards, not subject to expiration | $ 228.3 | ||
| Federal and state research and development tax credit carryforwards | $ 13.5 | ||
| Federal tax | |||
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards | 273.8 | $ 197.7 | |
| State and local jurisdiction | |||
| Operating Loss Carryforwards [Line Items] | |||
| Operating loss carryforwards | $ 243.2 | $ 184.2 |
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- Definition Amount of operating loss carryforward not subject to expiration, before tax effects, available to reduce future taxable income under enacted tax laws. No definition available.
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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