STOCK COMPENSATION - RESTRICTED STOCK AND PERFORMANCE SHARE GRANTS - Schedule of Stock Compensation Costs for Employee and NDSI Plans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Stock Compensation Costs	$ 1,774	$ 2,366
1998 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee and Director - expensed	1,220	1,789
Capitalized	269	279
Total Stock Compensation Costs	1,489	2,068
NDSI Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee and Director - expensed	$ 285	$ 298