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RELATED-PARTY TRANSACTIONS - Other Narrative (Details) ft² in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Aug. 07, 2019 ft²	May 15, 2019 ft²	Oct. 01, 2015
C I M Management Entities Affiiate
Related Party Transaction [Line Items]
Lease renewal term					5 years
Revenue from related parties	$ 0	$ 87
Employment Agreement \| President
Related Party Transaction [Line Items]
Contractual obligation in connection with retirement of company president		450
Employment Agreement \| Affiliated Entity
Related Party Transaction [Line Items]
Due to related party		287
Eleven year lease \| CIM Group
Related Party Transaction [Line Items]
Revenue from related parties	$ 1,500	$ 1,500
Operating lease term				11 years
Square feet \| ft²			30	32