EMPLOYEE BENEFIT PLANS Deferred Compensation Plans (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Management and Directors Deferred Compensation Plan [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	$ 0.4	$ 0.5
Acquired Individual Deferred Compensation Arrangement [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Assets of the deferred compensation plan	1.0	1.3
Liabilities of deferred compensation plan	$ 5.0	$ 5.5