SHAREHOLDERS EQUITY - Stock based compensation - Financial Performance Units (Details) - USD ($) $ in Millions		6 Months Ended
May 01, 2019	Jun. 30, 2019
Financial Performance Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		59,536
Financial Performance Units Granted Prior to 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Service period (in years)		2 years
Maximum accruing threshold awards		50.00%
Remainder threshold awards		50.00%
Maximum percentage of shares can be issued		150.00%
Maximum number of shares can be issued		22,000
Unrecognized compensation expense		$ 0.2
Unrecognized compensation expense recognition period (in years)		3 years 9 months
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)	59,536
Maximum accruing threshold awards		50.00%
Remainder threshold awards		50.00%
Maximum percentage of shares can be issued		150.00%
Maximum number of shares can be issued		84,300
Unrecognized compensation expense		$ 0.7
Unrecognized compensation expense recognition period (in years)		4 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 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.

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

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The percentage of threshold for remaining awards.

+ 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

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

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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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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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- 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.

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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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