REVENUE RECOGNITION, Contract Assets and Contract Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Contract with Customer, Asset and Liability [Abstract]
Total Deferred Revenue	$ 1,655	$ 1,669
Tariff Revenue [Member]
Contract with Customer, Asset and Liability [Abstract]
Contract Assets	2,332	2,618
Total Deferred Revenue	1,241	1,231
Tariff Deferred Revenue	1,200
Non-Tariff Revenue [Member]
Contract with Customer, Asset and Liability [Abstract]
Total Deferred Revenue	414	$ 438
Tariff Deferred Revenue	$ 300