DEFERRED REVENUE AND COSTS (DEFERRED COSTS CLASSIFICATION TABLE) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
DEFERRED REVENUE AND COSTS [ABSTRACT]
Deferred Costs - Current	$ 49,043	$ 25,669
Deferred Costs - Long-term	14,406	18,015
Total Deferred Costs	$ 63,449	$ 43,684