GOODWILL AND INTANGIBLE ASSETS, Narrative (Details)	3 Months Ended
	Mar. 31, 2022
Agent Relationships
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets amortization period, under accelerated method	15 years
Trade Names
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets amortization period, under accelerated method	15 years
Developed Technology Rights
Finite-Lived Intangible Assets, Net [Abstract]
Intangible assets amortization period, under accelerated method	15 years
Number of development years for state-of-the-art system	20 years
Other Intangible Assets
Finite-Lived Intangible Assets, Net [Abstract]
Intangible asset, useful life	10 years