INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details)	12 Months Ended
	Dec. 31, 2021 USD ($)
Unrecognized tax benefits
Unrecognized tax benefits, if recognized would impact effective tax rate	$ 21,300,000
Balance at the beginning of the period	19,100,000
Increase related to current year tax positions	2,200,000
Balance at the end of the period	$ 21,300,000