EQUITY AWARDS - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Outstanding at beginning of year (in shares)	497,820	502,780	502,780
Granted (in shares)	41,500	69,000
Exercised (in shares)	(21,440)	(43,280)
Forfeited (in shares)	(48,450)	(29,920)
Balance (in shares)	469,430	498,580	497,820	502,780
Exercisable
Outstanding (in shares)	268,030	283,910
Weighted-average exercise price (in USD per share)	$ 25.87	$ 24.96
Weighted-average remaining contractual life in years	3 years 11 months 15 days	4 years 2 months 12 days
Aggregate intrinsic value	$ 956	$ 2,733
Weighted-Average Exercise Price
Outstanding at beginning of year (in USD per share)	$ 28.07	$ 25.77	$ 25.77
Granted (in USD per share)	28.44	35.71
Exercised (in USD per share)	24.05	22.56
Forfeited (in USD per share)	30.62	27.21
Balance (in USD per share)	$ 28.02	$ 27.34	$ 28.07	$ 25.77
Weighted-Average Remaining Contractual Life in Years
Outstanding	5 years 6 months 10 days	5 years 7 months 13 days	5 years 10 months 13 days	5 years 7 months 2 days
Aggregate Intrinsic Value
Outstanding	$ 3,402	$ 5,936	$ 5,936
Outstanding	$ 1,228	$ 3,725	$ 3,402	$ 5,936