SHAREHOLDERS' EQUITY - Options Outstanding and Exercisable (Details) - Employee Stock Option - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Shares
Outstanding at beginning of year (in shares)	463,304	661,024	764,784
Granted (in shares)	79,025	110,112	111,872
Exercised (in shares)	(29,917)	(196,639)	(191,780)
Cancelled or expired (in shares)	(3,200)	(111,193)	(23,852)
Outstanding at end of year (in shares)	509,212	463,304	661,024
Options exercisable at year end (in shares)	297,889	223,158	302,283
Weighted Avg. Exercise Price
Outstanding at beginning of year (in dollars per share)	$ 24.28	$ 19.78	$ 17.31
Granted (in dollars per share)	32.65	38.02	23.60
Exercised (in dollars per share)	22.87	15.37	11.68
Cancelled or expired (in dollars per share)	26.61	26.87	23.71
Outstanding at end of year (in dollars per share)	25.65	24.28	19.78
Weighted average fair value per option granted during the year (in dollars per share)	$ 13.07	$ 18.50	$ 9.12