SHAREHOLDERS' EQUITY - Stock based compensation plans (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense	$ 100,000
Stock issued (in shares)	8,610	2,740	52,481	64,426
Stock surrendered (in shares)	3,580	1,111	20,381	26,745
Stock surrendered to cover employee withholding taxes				$ 800,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			0	0
Recognized compensation expense	$ 0	$ 0	$ 0	$ 0
Unrecognized stock-based compensation expense	$ 0		$ 0
Options fully vested / exercisable at end of period (in shares)	149,725		149,725
Exercise price low range (in USD per share)			$ 20.00
Exercise price high range (in USD per share)			$ 27.00
Expiry period (in years)			10 years
2016 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for issuance (in shares)	281,682		281,682

The stock surrendered during the period.

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