SHAREHOLDERS' EQUITY - Stock based compensation plans (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense	$ 300,000			$ 600,000
Stock issued (in shares)	39,239	37,507	79,365	43,871
Stock surrendered (in shares)	14,696	14,913	34,019	16,801
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)	88,936		88,936
Exercise price low range (in USD per share)			$ 24.32
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)	402,854		402,854

The stock surrendered during the period.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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