Revenue Recognition (Details) - Disaggregation of Revenue	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
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
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	77.80%	80.47%
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	20.64%	18.38%
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	1.56%	1.15%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration