INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
INCOME TAXES
Effective income tax rate reconciliation percent	211.40%		99.50%		19.80%	33.50%
Effective income tax rate reconciliation at federal statutory income tax rate, percent		21.00%		21.00%
Income tax receivable	$ 3.5				$ 3.5		$ 1.5
CARES net operating losses carryback period					5 years
CARES net operating losses carryback federal statutory rate (as a percent)					35.00%