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FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value Measurement Inputs (Details) - Level 3 - Fair Value Measurements on Recurring Basis | Dec. 31, 2022 | Dec. 31, 2021 | Mar. 18, 2021
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Expected annual dividend yield | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 | 0 |
Expected annual dividend yield | RTI warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0 |  | 0
Expected volatility | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 1.051 | 0.695 |
Expected volatility | RTI warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.997 |  | 0.596
Risk-free rate of return | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.0415 | 0.0114 |
Risk-free rate of return | RTI warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Warrant, measurement input | 0.0436 |  | 0.0097
Expected option term (years) | Private warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) | 3 years 2 months 12 days | 4 years 2 months 12 days |
Expected option term (years) | RTI warrants |  |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |  |
Expected option term (years) | 2 years |  | 3 years

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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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