SHAREHOLDERS' EQUITY - Stock options activity (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) $ / shares shares
Aggregate Intrinsic Value
Options outstanding, aggregate intrinsic value | $
Options exercisable, aggregate intrinsic value | $
Stock options
Number of Options
Outstanding at beginning of year (in shares) | shares	130,936
Exercised (in shares) | shares	0
Forfeited or expired (in shares) | shares	(3,500)
Outstanding at end of period (in shares) | shares	127,436
Options fully vested / exercisable at end of period (in shares) | shares	127,436
Weighted Average Exercise Price
Outstanding at beginning of year (in dollars per share) | $ / shares	$ 23.79
Exercised (in dollars per share) | $ / shares	0
Forfeited or expired (in dollars per share) | $ / shares	25.00
Outstanding at end of year (in dollars per share) | $ / shares	23.75
Options fully vested / exercisable (in dollars per share) | $ / shares	$ 23.75
Weighted Average Remaining Contractual Term
Outstanding at end of year (in years)	1 year 3 months 18 days
Options fully vested / exercisable (in years)	1 year 3 months 18 days