REVENUE RECOGNITION, Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Contract with Customer, Asset and Liability [Abstract]
Total Deferred Revenue	$ 1,839	$ 1,669	$ 1,514
Tariff Revenue [Member]
Contract with Customer, Asset and Liability [Abstract]
Contract Assets	3,043	2,618	2,144
Total Deferred Revenue	1,300	1,231	1,227
Deferred revenue recognized	1,200	1,200
Non-Tariff Revenue [Member]
Contract with Customer, Asset and Liability [Abstract]
Total Deferred Revenue	539	438	$ 287
Deferred revenue recognized	$ 300	$ 300