LONG-TERM DEBT (2018 Wells Fargo Master Loan Facility) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Jun. 26, 2020	Dec. 31, 2019
Wells Fargo Bank, National Association \| 2018 Wells Fargo Master Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 88.4	$ 69.4	$ 25.0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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