STOCK-BASED COMPENSATION Restricted Stock Units with Performance Conditions (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested PRSUs (in shares)	501,572	501,572	501,572
Unvested PRSUs, weighted-average grant date fair value	$ 3.19	$ 3.19	$ 3.19
Granted PRSUs (in shares)	0	0
Vested PRSUs (in shares)	0	0
Intrinsic value of unvested PRSUs	$ 1.8	$ 1.8
Unrecognized compensation expense	1.3	1.3
Unvested PRSUs, cost not yet recognized	$ 0.1	$ 0.1
Weighted average period for recognition		1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum achievement		200.00%

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of vesting of award under share-based payment arrangement.

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Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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