SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND USE OF ESTIMATES - Concentration of Credit Risk (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash in excess of federally-insured limits	$ 19,244	$ 52,516
Accounts receivable \| Customer concentration risk \| One customer
Fair Value, Concentration of Risk, Financial Statement Captions [Line Items]
Concentration risk percentage	34.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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