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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 option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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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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Gross number of share options (or share units) granted during the period.

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STOCK BASED COMPENSATION PLANS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	May 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		69,360
Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 78	$ 39
Unrecognized compensation cost related to unvested stock options		$ 548
Cost is expected to be recognized period		2 years 2 months 12 days
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 606	602
Unrecognized compensation cost related to non-vested RSAs		$ 6,800
Cost is expected to be recognized period		3 years 4 months 24 days
Directors \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		1 year
Deferred compensation expense		$ 142	$ 143
2012 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted	0
2012 Plan \| Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards granted		86,428	74,252
Number of restricted stock awards unvested		279,540		293,717
2012 Plan \| Restricted Stock Awards \| Time-vested RSAs vest ratably over five years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards granted		57,850	49,925
Vesting period (in years)		5 years	5 years
2012 Plan \| Restricted Stock Awards \| Time-vested RSAs vest ratably over three years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards granted		28,578	24,327
Vesting period (in years)		3 years	3 years
2012 Plan \| Performance based RSAs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards unvested		0
LTI Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 196	$ 170
Number of restricted stock awards granted		26,556
Number of restricted stock awards unvested		90,832		85,342
Unrecognized compensation cost related to non-vested RSAs		$ 2,000
Cost is expected to be recognized period		2 years 7 months 6 days
LTI Plan \| Restricted Stock Units \| Time-vested RSAs vest ratably over five years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards granted		17,943
Vesting period (in years)		3 years
LTI Plan \| Restricted Stock Units \| Performance-based RSAs vest
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock awards granted		8,613
Vesting period (in years)		3 years
LTI Plan \| NEOs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted		69,360	63,267
Percentage premium over the grant date stock price		10.00%
Vesting period (in years)		3 years
Weighted-average grant-date fair value		$ 4.10	$ 5.05
Method used		Black-Scholes option-pricing model