| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 1100918 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 1613501 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 270111 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 658513 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | TO PROMOTE ECONOMIC DEVELOPMENT FOR THE BENEFIT OF THE COMMUNITIES & CITIZENS OF SOUTHERN VIRGINIA |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 122971 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 122971 |
| IRS990/AllOtherContributionsAmt | 0 | 1327763 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 83870 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 83870 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | PHILLIP D LLOYD |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 4345701311 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1100 CONFROY DRIVE STE 4 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SOUTH BOSTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | VA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 24592 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 911077 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 3168 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 5 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 745020 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 745020 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 36388 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 36388 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 3145550 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 619592 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 522133 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 283077 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 4 | 249675 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 777 Old Clemson Road |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 1230 N Main Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 2000 Lotus Drive |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | PO Box 933050 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 4 | PO Box 511 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | COLUMBIA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | ROXBORO |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | GRETNA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | ATLANTA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 4 | SOUTH BOSTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | SC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | GA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 4 | VA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 29229 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 27573 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 24557 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 311933050 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 4 | 24592 |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | Utility Service Contractors Inc |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 1 | Better Cable Systems |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 2 | Raco Inc |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 3 | RJE Telecom |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 4 | GCR |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Construction |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Construction |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Construction |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | Construction |
| IRS990/ContractorCompensationGrp/ServicesDesc | 4 | Construction |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1327763 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 125000 |
| IRS990/CYInvestmentIncomeAmt | 0 | 21490 |
| IRS990/CYOtherExpensesAmt | 0 | 9907610 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 8778233 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -1776063 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 1870939 |
| IRS990/CYTotalExpensesAmt | 0 | 11903549 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 10127486 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 4882279 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 8741409 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 5712024 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 5712024 |
| IRS990/Desc | 0 | MID-ATLANTIC BROADBAND COMMUNITIES CORPORATION ("MBC") CONDUCTS THE FOLLOWING ACTIVITIES WITH RESPECT TO THE FIBER OPTIC NETWORK; OPTICAL TRANSPORT SERVICES, CO-LOCATION SERVICES AND DARK FIBER LEASES. THROUGH OPTICAL TRANSPORT SERVICES, MBC PROVIDES DEDICATED OPTICAL TRANSPORT INTERNET SERVICES TO RURAL UNSERVED AND UNDERSERVED AREAS OF SOUTHERN VIRGINIA. THE OPEN ACCESS FIBER-OPTIC NETWORK PROVIDES ACCESS FOR RURAL VIRGINIA AND PROMOTES ECONOMIC DEVELOPMENT, PRIVATE INVESTMENT AND JOB CREATION. THROUGH CO-LOCATION SERVICES, MBC LEASES RACK SPACE FOR LOCATING NETWORK SERVERS AND ELECTRONIC STORAGE EQUIPMENT TO INTERCONNECT WITH TELECOMMUNICATIONS NETWORK PROVIDERS. THROUGH DARK FIBER LEASES, MBC PROVIDES FIBER FREE OF CHARGE TO THE VIRGINIA DEPARTMENT OF TRANSPORTATION FOR GOVERNMENT NEEDS AND IN EXCHANGE FOR RIGHT OF WAY ACCESS. IN RARE SITUTATIONS, UNUSED FIBERS MAY BE LEASED TO NETWORK PROVIDERS FOR INTERNET ACCESS TO CERTAIN RURAL AREAS. |
| IRS990/DescribedInSection501c3Ind | 0 | false |
| IRS990/DisregardedEntityInd | 0 | true |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 17 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/EscrowAccountLiabilityGrp/BOYAmt | 0 | 0 |
| IRS990/EscrowAccountLiabilityGrp/EOYAmt | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 8376728 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditPerformedInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | true |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 49681 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 49681 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 108974 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 108974 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 233513 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 233513 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 32391 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 34074 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 23505 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | ERNEST R LAIL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | DAVID HUDGINS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | BRYAN DAVID |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | GARY WALKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | ROBERT PICCHI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | WANDA JEFFRESS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MARK HEATH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | EARVING BLYTHE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | DUANE DAHLQUIST |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | BEN DAVENPORT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | EDWARD HODGES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | RICHARD SHUMAKER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | CHARLES MAJORS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | THOMAS DERISO |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | GRAHAM RAMSEY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | GREGORY LYTZ |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 15575 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 5875 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 8700 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 6825 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 12575 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 6075 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 6200 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 6500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 5500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 5750 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 10350 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 5000 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 4500 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 313785 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 173778 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 172647 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | DIRECTOR, CHAIRMAN |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR, VICE CHAIR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | PRESIDENT & CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | SECRETARY/TREASURER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 2004 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | true |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 13 |
| IRS990/GrantAmt | 0 | 125000 |
| IRS990/GrantsPayableGrp/BOYAmt | 0 | 0 |
| IRS990/GrantsPayableGrp/EOYAmt | 0 | 0 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 125000 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 125000 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | true |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 10127486 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | true |
| IRS990/IncmFromInvestBondProceedsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | true |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 3 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 56701 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 56701 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 51732 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 51732 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 23923 |
| IRS990/InterestGrp/TotalAmt | 0 | 23923 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 95314 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 1173534 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 21490 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 21490 |
| IRS990/InvestmentInJointVentureInd | 0 | true |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/EOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 22 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 36388879 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 62933791 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 66802362 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 103191241 |
| IRS990/LegalDomicileStateCd | 0 | VA |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | THE CORPORATION IS ORGANIZED EXCLUSIVELY FOR SOCIAL WELFARE PURPOSES WITHIN THE MEANING OF SECTION 501(C)(4) OF THE INTERNAL REVENUE CODE, INCLUDING, BUT NOT LIMITED TO PROMOTING ECONOMIC DEVELOPMENT, LESSENING THE BURDENS OF GOVERNMENT, AND REVITALIZING ECONOMICALLY DISTRESSED RURAL AREAS BY CONSTRUCTING AND OPERATING A PUBLICLY FUNDED FIBER-OPTIC NETWORK FOR THE BENEFIT OF THE COMMUNITIES AND CITIZENS OF SOUTHERN VIRGINIA. ADDITIONALLY, THE CORPORATION IS BRIDGING THE DIGITAL DIVIDE IN RURAL AREAS WHERE COMMERCIAL PROVIDERS HAVE NOT FOUND IT TO BE ECONOMICALY FEASIBLE TO INVEST. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 2356796 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 1624117 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 63378915 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 61602852 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeFromGamingGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 176214 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 176214 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 74077 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 74077 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501cInd | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 85445 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 180071 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 175166 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 175166 |
| IRS990/OtherExpensesGrp/Desc | 0 | NETWORK OPERATION |
| IRS990/OtherExpensesGrp/Desc | 1 | COMMUNITY SUPPORT |
| IRS990/OtherExpensesGrp/Desc | 2 | BOARD MEETING EXPENSE |
| IRS990/OtherExpensesGrp/Desc | 3 | GENERAL & ADMIN EXPENSE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 176046 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 149921 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 69637 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 2539704 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 2539704 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 176046 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 149921 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 69637 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 787059 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 787059 |
| IRS990/OthNotesLoansReceivableNetGrp/BOYAmt | 0 | 0 |
| IRS990/OthNotesLoansReceivableNetGrp/EOYAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 96480 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 96480 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 67214 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 67214 |
| IRS990/PermanentlyRstrNetAssetsGrp/BOYAmt | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 231199 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 130589 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 241785 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 1094183 |
| IRS990/PrincipalOfficerNm | 0 | THOMAS DERISO |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 221000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | BROADBAND SERVICES REVENUE |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 8778233 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 8778233 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 1153745 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 20000 |
| IRS990/PYInvestmentIncomeAmt | 0 | -158649 |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 9223942 |
| IRS990/PYOtherRevenueAmt | 0 | 0 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 7765999 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -2388707 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 1905860 |
| IRS990/PYTotalExpensesAmt | 0 | 11149802 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 8761095 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |