STOCK PLANS - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2015	Dec. 31, 2007	May 17, 2024
Compensation Related Costs Share Based Payments [Line Items]
Common stock, par value (in dollars per share)	$ 1	$ 1					$ 1.00
Nonvested award, cost not yet recognized, period for recognition	5 years
Compensation cost	$ 4.6	$ 2.3	$ 2.4
Restricted stock award vested percent	100.00%
Common Stock
Compensation Related Costs Share Based Payments [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value	$ 6.6	$ 1.7	$ 2.5
2007 Stock Incentive Plan
Compensation Related Costs Share Based Payments [Line Items]
Shares issued in period (in shares)	164,844	167,173				315,000
Common stock, par value (in dollars per share)						$ 1.00
Share-based compensation arrangement by share-based payment award, number of shares available for grant (in shares)	668,722
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 6.9
2007 Stock Incentive Plan, 2015 Amendment
Compensation Related Costs Share Based Payments [Line Items]
Shares issued in period (in shares)					300,000
Common stock, par value (in dollars per share)					$ 1.00
Shares issued to date (in shares)					615,000
2007 Stock Incentive Plan, 2021 Amendment
Compensation Related Costs Share Based Payments [Line Items]
Shares issued in period (in shares)				500,000
Common stock, par value (in dollars per share)				$ 1.00
Shares issued to date (in shares)				1,115,000
2007 Stock Incentive Plan, 2024 Amendment
Compensation Related Costs Share Based Payments [Line Items]
Shares issued in period (in shares)	500,000
Common stock, par value (in dollars per share)	$ 1.00
Shares issued to date (in shares)	1,615,000