SHAREHOLDERS EQUITY - Stock based compensation - Financial Performance Units (Details) $ in Millions	12 Months Ended
Dec. 31, 2019 USD ($) shares
Financial Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares) \| shares	62,569
Financial Performance Units Granted Prior to 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period (in years)	2 years
Target threshold of awards	100.00%
Percent of awards accruing at target threshold	50.00%
Remainder threshold awards	50.00%
Maximum number of shares can be issued \| shares	10,000
Unrecognized compensation expense \| $	$ 0.2
Unrecognized compensation expense recognition period (in years)	2 years
Financial Performance Units Granted Prior to 2019 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	150.00%
Financial Performance Units Granted Prior to 2019 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	0.00%
Financial Performance Units Granted in 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period (in years)	2 years
Granted (in shares) \| shares	56,000
Target threshold of awards	100.00%
Stock-based compensation expense \| $	$ 0.1
Unrecognized compensation expense \| $	$ 0.7
Unrecognized compensation expense recognition period (in years)	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	5 years
Financial Performance Units Granted in 2019 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	150.00%
Financial Performance Units Granted in 2019 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	0.00%

The maximum percentage of threshold for accruing awards.

No definition available.

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The percentage of threshold stated for achieving entity's financial performance metrics.

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- Definition

Percent Of Awards Accruing At Threshold

+ References

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The percentage of threshold for remaining awards.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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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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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

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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- Definition

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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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