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STOCK-BASED COMPENSATION PLANS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		38 Months Ended	86 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2021	Apr. 24, 2018	Apr. 22, 2014
Restricted Stock Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Expense	$ 2.5	$ 2.5	$ 4.7	$ 4.4
Compensation Cost Not yet Recognized	$ 16.4		$ 16.4		$ 16.4	$ 16.4
Compensation Cost Not yet Recognized, Period for Recognition			34 months
2014 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Authorized								900,000
2014 Omnibus Incentive Plan [Member] \| Restricted Stock Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted						302,167
Restricted stock grants, shares vested						2,152
2014 Omnibus Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted						409,176
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares						117,834
2018 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares Authorized							900,000
2018 Omnibus Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock granted					495,858
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	409,275		409,275		409,275	409,275