SHAREHOLDERS EQUITY - Stock based compensation - Financial Performance Units (Details) - USD ($)	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	150.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Financial performance threshold percentage	0.00%
Financial Performance Units Granted Prior to May 1, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares can be issued	10,035
Unrecognized compensation expense	$ 60,000
Unrecognized compensation expense recognition period (in years)	9 months 18 days
Stock-based compensation expense	$ 15,000
Financial Performance Units Granted Prior to May 1, 2019 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target threshold of awards	100.00%
Financial Performance Units Granted Prior to May 1, 2019 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target threshold of awards	50.00%
Financial Performance Units Granted From May 1, 2019 Through April 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of awards accruing at maximum threshold	150.00%
Maximum number of shares can be issued	84,531
Unrecognized compensation expense	$ 475,000
Unrecognized compensation expense recognition period (in years)	2 years 9 months 18 days
Granted (in shares)		1,866
Stock-based compensation expense	$ 56,000
Financial Performance Units Granted From May 01, 2020 Through December 31 2020, Excluding November 18, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of awards accruing at maximum threshold	150.00%
Maximum number of shares can be issued	86,226
Unrecognized compensation expense	$ 579,000
Unrecognized compensation expense recognition period (in years)	3 years 9 months 18 days
Stock-based compensation expense	$ 55,000
Financial Performance Units Granted on November 18, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of awards accruing at maximum threshold	150.00%
Remainder threshold awards	50.00%
Maximum number of shares can be issued	34,752
Unrecognized compensation expense	$ 380,000
Unrecognized compensation expense recognition period (in years)	3 years 7 months 6 days
Stock-based compensation expense	$ 34,000

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

Percent Of Awards Accruing At Maximum Threshold

+ References

No definition available.

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- Definition

The percentage of threshold for remaining awards.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
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-Topic 718
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- Definition

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.

+ References

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- Definition

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

+ References

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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 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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