SHAREHOLDERS EQUITY - Stock based compensation - Financial Performance Units (Details) - Financial Performance Units $ in Millions	9 Months Ended
Sep. 30, 2018 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period (in years)	2 years
Granted (in shares) \| shares	250
Maximum accruing threshold awards	50.00%
Maximum percentage of shares can be issued	150.00%
Maximum number of shares can be issued \| shares	24,517
Stock-based compensation expense \| $	$ 0.1
Unrecognized compensation expense \| $	$ 0.3
Unrecognized compensation expense recognition period (in years)	3 years 3 months
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	150.00%
Minimum [Member]
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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- Definition

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

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

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- Definition

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).

+ References

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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.

+ References

No definition available.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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