STOCK COMPENSATION - RESTRICTED STOCK AND PERFORMANCE SHARE GRANTS - Compensation Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total	$ 4,951	$ 3,734	$ 3,212
1998 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expensed	3,592	2,731	2,281
Capitalized	769	482	335
Total	4,361	3,213	2,616
NDSI Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expensed	$ 590	$ 521	$ 596