SHARE-BASED COMPENSATION PLANS - Company's stock option activity (Details) - Incentive plan 2017 - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Employee Stock Option
Share-Based Compensation Plans
Market value of common stock (in dollars per share)	$ 30.59
Employee Stock Option
Share-Based Compensation Plans
Shares, Outstanding at beginning of period	563,760	967,217
Shares, Exercised	(44,685)	(389,597)
Shares, Forfeited or expired	(6,370)	(13,860)
Shares, Outstanding at end of period	512,705	563,760
Shares, Exercisable at end of period	353,064	281,429
Weighted Average Exercise Price, Outstanding at beginning of period (in dollars per share)	$ 25.98	$ 26.22
Weighted Average Exercise Price, Exercised (in dollars per share)	24.07	26.53
Weighted Average Exercise Price, Forfeited or expired (in dollars per share)	26.35	26.61
Weighted Average Exercise Price, Outstanding at end of period (in dollars per share)	26.15	25.98
Weighted Average Exercise Price, Exercisable at end of period (in dollars per share)	$ 26.03	$ 26.5
Weighted Average Remaining Contractual Term (Years), Outstanding	5 years 4 months 24 days
Weighted Average Remaining Contractual Term (Years), Exercisable, Outstanding	4 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding	$ 2,688,000
Aggregate Intrinsic Value, Exercisable	$ 2,019,000