REVENUE RECOGNITION (Details) - Disaggregation of Revenue	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Minimum [Member]
REVENUE RECOGNITION (Details) - Disaggregation of Revenue [Line Items]
ContractTerm	3 years
Maximum [Member]
REVENUE RECOGNITION (Details) - Disaggregation of Revenue [Line Items]
ContractTerm	10 years
Customer Concentration Risk [Member] | Month To Month And Other Contracted Revenue [Member] | Revenue from Contract with Customer Benchmark [Member]
REVENUE RECOGNITION (Details) - Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	78.96%	78.04%
Customer Concentration Risk [Member] | Outside of The Scope of ASC-606 [Member] | Revenue from Contract with Customer Benchmark [Member]
REVENUE RECOGNITION (Details) - Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	19.19%	19.97%
Customer Concentration Risk [Member] | CPE and Equipment Sales And Installation [Member] | Revenue from Contract with Customer Benchmark [Member]
REVENUE RECOGNITION (Details) - Disaggregation of Revenue [Line Items]
Concentration Risk, Percentage	1.85%	1.99%