SHARE-BASED COMPENSATION - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Weighted-Average Grant Date Fair Value
Aggregate intrinsic value	$ 2.4
Aggregate fair value	$ 1.0
Stock options
Number of Options
Outstanding, beginning balance (in shares)	588,675
Granted (in shares)	0
Exercised (in shares)	(278,750)
Forfeited (in shares)	0
Expired (in shares)	(375)
Outstanding, ending balance (in shares)	309,550	588,675
Exercisable, ending balance (in shares)	278,300
Weighted-Average Exercise Price
Outstanding, beginning balance (in dollars per share)	$ 11.49
Granted (in dollars per share)	0
Exercised (in dollars per share)	11.90
Forfeited (in dollars per share)	0
Expired (in dollars per share)	9.91
Outstanding, ending balance (in dollars per share)	11.11	$ 11.49
Exercisable, ending balance (in dollars per share)	$ 10.96
Weighted-Average Remaining Contractual Term (Years)
Weighted average remaining contractual term, outstanding	4 years 8 months 26 days	5 years 2 months 23 days
Weighted average remaining contractual term, exercisable	4 years 6 months 25 days
Weighted-Average Grant Date Fair Value
Outstanding beginning balance (in dollars per share)	$ 4.18
Granted (in dollars per share)	0
Exercised (in dollars per share)	4.48
Forfeited (in dollars per share)	0
Expired (in dollars per share)	3.43
Outstanding ending balance (in dollars per share)	3.91	$ 4.18
Exercisable ending balance (in dollars per share)	$ 3.70