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STOCK BASED COMPENSATION PLANS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	May 31, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 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		$ 75	$ 53	$ 217	$ 144
Unrecognized compensation cost related to unvested stock options		409		$ 409
Cost is expected to be recognized period				1 year 9 months 18 days
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		628	537	$ 1,800	1,700
Unrecognized compensation cost related to non-vested RSAs		5,400		$ 5,400
Cost is expected to be recognized period				3 years
Directors \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)				1 year
Deferred compensation expense		$ 155	142	$ 397	$ 427
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				91,428	78,952
Number of restricted stock awards unvested		272,274		272,274		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				33,578	29,027
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		0
LTI Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense		$ 224	$ 175	$ 642	$ 518
Number of restricted stock awards granted				26,556
Number of restricted stock awards unvested		93,147		93,147		85,342
Unrecognized compensation cost related to non-vested RSAs		$ 1,500		$ 1,500
Cost is expected to be recognized period				2 years 3 months 18 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