GOODWILL AND INTANGIBLE ASSETS - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 6,020	$ 6,020
Accumulated Amortization	(809)	(532)
Net Carrying Amount	5,211	5,488
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	80	80
Accumulated Amortization	(60)	(50)
Net Carrying Amount	$ 20	$ 30
Weighted Average Remaining Amortization Useful Lives (in years)	6 months	9 months 18 days
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,500	$ 1,500
Accumulated Amortization	(166)	(118)
Net Carrying Amount	$ 1,334	$ 1,382
Weighted Average Remaining Amortization Useful Lives (in years)	8 years	8 years 2 months 12 days
Customer lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,800	$ 3,800
Accumulated Amortization	(494)	(328)
Net Carrying Amount	$ 3,306	$ 3,472
Weighted Average Remaining Amortization Useful Lives (in years)	5 years	5 years 3 months 18 days
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 640	$ 640
Accumulated Amortization	(89)	(36)
Net Carrying Amount	$ 551	$ 604
Weighted Average Remaining Amortization Useful Lives (in years)	2 years 7 months 6 days	2 years 9 months 18 days