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INCOME TAXES (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2014
Income tax carryforwards      
Effective tax rate (as a percent) 26.70% 26.50%  
Statutory federal income tax rate     35.00%
Discrete tax benefit adjustment $ 22.8    
At tax rate of 21%      
Income tax carryforwards      
Discrete tax benefit adjustment $ 13.1    
Forecast      
Income tax carryforwards      
Discrete tax benefit adjustment   $ 35.9