STOCK PLANS (Non-Vested Stock Option Activity) (Details) - Stock options - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Stock Plans
Balance at beginning of year, Nonvested Options (in shares)	317,006
Options granted (in shares)	102,292
Vested (in shares)	(170,493)
Canceled (in shares)	(350)
Forfeited (in shares)	0
Balance at end of year, Nonvested Options (in shares)	248,455	317,006
Nonvested stock options, Weighted Average Fair Value at Grant Date
Balance at beginning of year, weighted average fair value at grant date (in dollars per share)	$ 13.93
Granted, weighted average fair value at grant date (in dollars per share)	46.94	$ 27.42	$ 21.70
Vested, weighted average fair value at grant date (in dollars per share)	$ 21.61
Canceled, weighted average fair value at grant date (in dollars per share)	18.34
Forfeited, weighted average fair value at grant date (in dollars per share)	$ 0
Balance at end of year, weighted average fair value at grant date (in dollars per share)	$ 28.36	$ 13.93