Document And Entity Information
Dividend Yield
Derivative, Notional Amount
Derivative, Notional Amount
Exercise Price (in dollars per share)
Note To Financial Statement Details Textual
Income taxes computed at the federal statutory rate, amount
Note 1 - Business Description and Summary of Significant Accounting Policies
Risk-Free Rate of Interest
Note 2 - Revenue Recognition
Note 3 - Leases
Note 4 - Property, Plant and Equipment
Note 5 - Goodwill and Intangibles
NONCURRENT LIABILITIES:
Note 6 - Long-Term Debt
Note 7 - Interest Rate Swaps
Note 8 - Income Taxes
Income Tax Disclosure [Text Block]
Note 9 - Incentive and Retirement Plans
Note 14 - Stock Based Compensation
Note 15 - Segment Information
Expected Stock Price Volatility
Note 1 - Business Description and Summary of Significant Accounting Policies - Schedule of Allowance for Credit Losses (Details)
us-gaap_LiabilitiesCurrent
Total Current Liabilities
Note 1 - Business Description and Summary of Significant Accounting Policies - Schedule of Earnings Per Share (Details)
Schedule of Maturities of Long-Term Debt [Table Text Block]
Note 1 - Business Description and Summary of Significant Accounting Policies - Schedule of Weighted Average Number of Shares (Details)
Note 2 - Revenue Recognition - Schedule of Disaggregation of Revenue (Details)
Note 2 - Revenue Recognition - Schedule of Assets and Liabilities for Contracts with Customers (Details)
Expected Term (Years) (Year)
Note 3 - Leases - Schedule for Lease Costs (Details)
Note 3 - Leases - Schedule of Operating Lease Liability Maturity (Details)
Note 4 - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details)
Note 5 - Goodwill and Intangibles - Schedule of Finite-Lived Intangible Assets (Details)
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Note 5 - Goodwill and Intangibles - Schedule of Finite-Lived Intangible Assets, Future Amortization Expense (Details)
Note 6 - Long-term Debt - Schedule of Long-Term Debt Instruments (Details)
Note 6 - Long-term Debt - Schedule of Long-Term Debt Instruments (Details) (Parentheticals)
Note 6 - Long-term Debt - Schedule of Maturities of Long-Term Debt (Details)
us-gaap_DerivativeVariableInterestRate
Derivative, Variable Interest Rate
Note 7 - Interest Rate Swaps - Schedule of Derivative Instruments (Details)
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Note 8 - Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details)
Note 8 - Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details)
Note 8 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details)
Note 8 - Income Taxes - Schedule of Income Tax Net of Refunds (Details)
Note 9 - Incentive and Retirement Plans - Cash-based Awards Issued and Outstanding (Details)
Derivative, Contract End Date
Note 14 - Stock Based Compensation - Share-Based Compensation Arrangement by Share-Based Payment Award, Conversion of Restricted Stock Units to Options (Details)
Note 14 - Stock Based Compensation - Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions (Details)
Note 14 - Share Based Compensation - Schedule of Conversion from Restricted Stock Units to Options (Details)
Deferred Compensation
Note 15 - Segment Information - Schedule of Segment Information (Details)
Notes To Financial Statements
Schedule of Derivative Instruments [Table Text Block]
Notes To Financial Statements [Abstract]
Derivative [Table]
Current Portion of Long-Term Debt, Net of Unamortized Loan Fees
Less: Amount due within one year
Other Comprehensive Loss:
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
Balance, Options (in shares)
Balance, Options (in shares)
Unrealized Gain on Interest Rate Swap
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Exercisable, Weighted Average Exercise Price (in dollars per share)
Exercisable, Weighted Average Remaining Term (Year)
Exercisable, Aggregate Intrinsic Value
Exercisable, Number of Shares (in shares)
Outstanding, Weighted Average Remaining Term (Year)
Outstanding, Aggregate Intrinsic Value
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, Weighted Average Exercise Price (in dollars per share)
Outstanding, Weighted Average Exercise Price (in dollars per share)
Reporting Unit [Axis]
Reporting Unit [Domain]
Forfeited, Weighted Average Exercise Price (in dollars per share)
Other Accrued Taxes
Goodwill and Intangible Assets Disclosure [Text Block]
Issued, Closing Stock Price (in dollars per share)
Goodwill [Table]
Accrued Compensation
Lessee, Operating Leases [Text Block]
Accounts Payable
Revolving Credit Facility [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding, Number of Shares (in shares)
Outstanding, Number of Shares (in shares)
us-gaap_CapitalExpendituresIncurredButNotYetPaid
Capital Expenditures Incurred but Not yet Paid
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Forfeited, Number of Shares (in shares)
Credit Facility [Axis]
Credit Facility [Domain]
Other Accrued Liabilities
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Trade Names [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant
Indefinite-Lived Intangible Assets [Axis]
Indefinite-Lived Intangible Assets, Major Class Name [Domain]
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Additions to Property, Plant, and Equipment, Net
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized
WEIGHTED AVERAGE SHARES OUTSTANDING
Net cash paid for income taxes
Total cash paid for income taxes (net of refunds)
Product and Service, Other [Member]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Share-Based Payment Arrangement, Tranche Three [Member]
CURRENT LIABILITIES:
Vesting [Axis]
Vesting [Domain]
Share-Based Payment Arrangement, Tranche One [Member]
us-gaap_Assets
TOTAL ASSETS
Supplemental cash flow information:
Share-Based Payment Arrangement, Tranche Two [Member]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Plan Name [Axis]
Plan Name [Domain]
Compensation and Employee Benefit Plans [Text Block]
us-gaap_OperatingLeaseExpense
Operating Lease, Expense
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net Income (Loss), Basic
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Customer Relationships [Member]
us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted
Net Income (Loss), Diluted
Delayed Draw Term Loan (DDTL) [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Share-Based Payment Arrangement [Text Block]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Contract assets
Contract assets - beginning balance
Award Type [Domain]
Effective Income Tax Rate Reconciliation [Table]
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Net Loss
NET INCOME (LOSS)
NET INCOME (LOSS)
Award Type [Axis]
us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Finite-Lived Intangible Assets, Accumulated Amortization
Intangibles
Net Identified Intangible Assets
us-gaap_FiniteLivedIntangibleAssetsGross
Finite-Lived Intangible Assets, Gross
Share-Based Payment Arrangement, Option [Member]
us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Indefinitely-Lived Intangible Assets, Gross
Less Accumulated Depreciation
Commitments and Contingencies Disclosure [Text Block]
us-gaap_PropertyPlantAndEquipmentNet
Net Property, Plant & Equipment
Goodwill
Goodwill
Property, Plant, and Equipment, Gross
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Minnesota Department of Revenue [Member]
Represents the Minnesota Department of Revenue.
PROPERTY, PLANT & EQUIPMENT:
us-gaap_EquityMethodInvestmentOwnershipPercentage
Equity Method Investment, Ownership Percentage
Schedule of Income Tax Net of Refunds [Table Text Block]
Tabular disclosure of income tax net of refunds.
Iowa Department of Revenue [Member]
Represents the Iowa Department of Revenue.
Derivative Instrument [Axis]
Derivative Contract [Domain]
CASH FLOWS FROM INVESTING ACTIVITIES:
nuvr_DebtInstrumentCovenantsPercentageOfDebtUnderIRSAs
Debt Instrument, Covenants, Percentage of Debt Under IRSAs
The percentage of existing debt under IRSAs as it relates to a debt instrument covenant.
Other Investments
us-gaap_IncreaseDecreaseInDeferredCompensation
Deferred Compensation
us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable
Accrued Income Taxes
us-gaap_IncomeLossFromEquityMethodInvestments
Undistributed Earnings of Other Equity Investments
Revolving Loan [Member]
Represents a Revolving Loan.
us-gaap_ProfessionalAndContractServicesExpense
Professional and Contract Services Expense
us-gaap_IncreaseDecreaseInOtherAccruedLiabilities
Other Accrued Liabilities
Provision (Benefit) for Income Taxes
INCOME TAXES EXPENSE
Total Income Tax Expense
us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
Losses on Interest Rate Swaps
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts Payable
CoBank Patronage Dividends
Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Redemption, Period [Axis]
Income Tax Paid, Federal
Debt Instrument, Redemption, Period [Domain]
us-gaap_DebtInstrumentTerm
Debt Instrument, Term
Income Tax Paid, State and Local
nuvr_DividendsContingencyTotalLeverageRatioRequiredUnlimitedDividends
Dividends, Contingency, Total Leverage Ratio Required, Unlimited Dividends
Information pertaining to the total leverage ratio required related to contingencies involving paying of unlimited dividends.
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
CoBank Credit Facility [Member]
Represents the CoBank Credit Facility.
Cash
CoBank [Member]
Represents CoBank.
us-gaap_InterestExpenseNonoperating
Interest Expense
us-gaap_IncreaseDecreaseInPropertyAndOtherTaxesPayable
Other Accrued Taxes
nuvr_StockIssuedDuringPeriodValueStockPlan
Directors Stock Plan Employee Stock Plan
Aggregate change in value of stock during the period as a result of stock plan.
us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Interest Rate Derivative Liabilities, at Fair Value
us-gaap_InterestRateDerivativeAssetsAtFairValue
Interest Rate Derivative Assets, at Fair Value
Amendment Flag
us-gaap_ComprehensiveIncomeNetOfTax
COMPREHENSIVE INCOME (LOSS)
dei_CityAreaCode
City Area Code
us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid
us-gaap_DebtInstrumentPeriodicPaymentPrincipal
Debt Instrument, Periodic Payment, Principal
us-gaap_SharesOutstanding
BALANCE (in shares)
BALANCE (in shares)
Common Stock, Shares, Outstanding (in shares)
Preferred Stock, Shares Outstanding (in shares)
us-gaap_DebtWeightedAverageInterestRate
Debt, Weighted Average Interest Rate
us-gaap_IncreaseDecreaseInOtherOperatingAssets
Other Assets
Current Fiscal Year End Date
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
Weighted Average Discount Rate
Document Fiscal Period Focus
Document Fiscal Year Focus
us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Deferred Income Tax
Lease, Cost [Table Text Block]
dei_DocumentPeriodEndDate
Document Period End Date
us-gaap_IncreaseDecreaseInPrepaidExpense
Prepaid Expenses
Weighted Average Remaining Lease Term (Year)
dei_EntityFileNumber
Entity File Number
dei_EntityEmergingGrowthCompany
Entity Emerging Growth Company
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
dei_DocumentType
Document Type
dei_EntitySmallBusiness
Entity Small Business
dei_EntityShellCompany
Entity Shell Company
Document Information [Line Items]
Document Information [Table]
dei_EntityPublicFloat
Entity Public Float
dei_EntityFilerCategory
Entity Filer Category
Debt Instrument [Axis]
dei_EntityCurrentReportingStatus
Entity Current Reporting Status
Debt Instrument, Name [Domain]
dei_EntityVoluntaryFilers
Entity Voluntary Filers
dei_EntityWellKnownSeasonedIssuer
Entity Well-known Seasoned Issuer
Award Timing Disclosures [Line Items]
Variable Rate [Domain]
us-gaap_AccountsReceivableNet
Accounts receivable, net - beginning balance
us-gaap_IncreaseDecreaseInIncomeTaxesReceivable
Income Taxes Receivable
Schedule of Long-Term Debt Instruments [Table Text Block]
Impairment of Goodwill
Impairment of Goodwill
Goodwill, Impairment Loss
Schedule of Long-Term Debt Instruments [Table]
Variable Rate [Axis]
Award Timing, How MNPI Considered [Text Block]
us-gaap_IncreaseDecreaseInAccountsReceivable
Receivables
Non-Cash, Share-Based Compensation
us-gaap_ConcentrationRiskPercentage1
Revenue, Percentage
Statement of Comprehensive Income [Abstract]
ecd_AwardTmgMnpiCnsdrdFlag
Award Timing MNPI Considered [Flag]
Entity Tax Identification Number
Entity Central Index Key
Depreciation and Amortization
Depreciation and Amortization
Insider Trading Policies and Procedures [Line Items]
dei_EntityRegistrantName
Entity Registrant Name
Product Concentration Risk [Member]
Insider Trading Policies and Procedures Adopted [Flag]
Insider Trading Policies and Procedures Adopted [Flag]
Entity [Domain]
Legal Entity [Axis]
dei_EntityAddressAddressLine1
Entity Address, Address Line One
us-gaap_AmortizationOfIntangibleAssets
Amortization of Intangible Assets
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
dei_EntityAddressCityOrTown
Entity Address, City or Town
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
dei_EntityAddressPostalZipCode
Entity Address, Postal Zip Code
dei_EntityAddressStateOrProvince
Entity Address, State or Province
Concentration Risk Type [Axis]
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
us-gaap_AllowanceForDoubtfulAccountsReceivable
Balance at beginning of year
Balance at end of year
Concentration Risk Type [Domain]
Material Terms of Trading Arrangement [Text Block]
dei_EntityCommonStockSharesOutstanding
Entity Common Stock, Shares Outstanding (in shares)
Trading Arrangements, by Individual [Table]
us-gaap_AdvertisingExpense
Advertising Expense
Revenue Benchmark [Member]
us-gaap_IncreaseDecreaseInInventories
Inventories for Resale
Trading Symbol
Concentration Risk Benchmark [Axis]
us-gaap_RevenueNotFromContractWithCustomer
Subsidy and other revenue outside scope of ASC 606
Concentration Risk Benchmark [Domain]
dei_LocalPhoneNumber
Local Phone Number
us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Line of Credit Facility, Commitment Fee Percentage
Grants Received for Construction of Plant
us-gaap_TableTextBlock
Notes Tables
nuvr_DebtInstrumentNumberOfQuarterlyPeriodicPayments
Debt Instrument, Number of Quarterly Periodic Payments
The number of periodic quarterly payments due.
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Line of Credit Facility, Current Borrowing Capacity
us-gaap_LossOnSaleOfInvestments
Loss on Sale of Investments
Gain (Loss) on Sale of Investments
(Gain) Loss on Sale of Investments
Directors Stock Plan Employee Stock Plan (in shares)
Selling, General and Administrative
Selling, General and Administrative
Provision charged to expense
Directors Stock Plan Employee Stock Plan
Secured Overnight Financing Rate (SOFR) [Member]
Issued, Options (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited, Number of Shares (in shares)
Line of Credit Facility, Lender [Domain]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Lender Name [Axis]
Other Expense
us-gaap_SegmentReportingOtherItemAmount
Other Non-regulated [Member]
Represents other non-regulated revenues.
us-gaap_LiabilitiesAndStockholdersEquity
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY
A-CAM/FUSF [Member]
Represents A-CAM/FUSF.
Interest During Construction
Amount of interest incurred during construction.
Network Access [Member]
Represents network access.
Voice Service [Member]
Represents voice service.
Related Party Transaction [Axis]
Data Service [Member]
Represents data service.
Related Party Transaction [Domain]
Video Service [Member}
Represents video service.
nuvr_PatronageRefundNoncash
Noncash Patronage Refund
Amount of noncash patronage refund.
INVESTMENTS & OTHER ASSETS:
Investments and Other Assets [Abstract]
us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInService
Public Utilities, Property, Plant and Equipment, Disclosure of Composite Depreciation Rate for Plants in Service
Retained Earnings
nuvr_PaymentsForProceedsFromProductiveAssetsConstruction
Materials and Supplies for Construction
The net cash outflow or inflow from purchases, sales and disposals of productive assets used for construction.
Accumulated Other Comprehensive Gain
Accumulated Other Comprehensive Income (Loss), Net of Tax
Checks Written in Excess of Cash Balance
Amount of increase (decrease) in obligations arising from bank overdrafts.
Outside of the Scope of ASC 606 [Member]
Represents revenue sources outside of the scope of ASC 606.
Debt Disclosure [Text Block]
Schedule of Investments [Table]
Changes in Assets and Liabilities:
Unearned Compensation [Member]
Represents unearned compensation.
Month-to-month and Other Contracted Revenue [Member]
Represents month-to-month and other contracted revenue.
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Long-Term Operating Lease Liabilities
us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]
Present Value of Operating Leases
Total
Subsequent Event [Table]
Short-Term Operating Lease Liabilities
us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Retirement Benefits [Text Block]
Subsequent Events [Text Block]
Right of Use Asset
Distributions from Equity Investments
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total
nuvr_RevenueContractTerm
Revenue, Contract Term
Represents the period in which revenue from customers will be recognized in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Less Imputed interest
us-gaap_InvestmentsAndOtherNoncurrentAssets
Total Investments and Other Assets
Deferred Income Taxes
us-gaap_DeferredIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit)
2028
2029
Loss on Investments
Unrealized (Gains) Losses on Investments
2030
Thereafter
Video Franchise [Member]
Represents information pertaining to video franchises.
2027
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
Regulatory Rights [Member]
Represents information pertaining to regulatory rights.
2028
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2026
2029
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
Term A1 Loan [Member]
Represents information pertaining to term A1 loans.
2027
Spectrum [Member]
Represents information pertaining to spectrum assets.
2030
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
A-CAM [Member]
Represents information pertaining to A-CAM support.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Directory [Member]
Represents information pertaining to directory revenue.
2026
us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
First IRSA With CoBank [Member]
Represents information pertaining to the first IRSA with CoBank.
Stock Issued in Lieu of Cash Payment
nuvr_DebtInstrumentPrincipalPeriodicPaymentPercentageOfOutstandingLoanBalance
Debt Instrument, Principal, Periodic Payment, Percentage of Outstanding Loan Balance
Percentage of debt amount of the required periodic payments applied to principal.
Term Loan [Member]
Represents information pertaining to the term loans.
Other Assets
Stock-based Compensation
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Independent Emergency Services LLC [Member]
Represents information pertaining to Independent Emergency Services LLC.
Broadband Visions LLC [Member]
Represents information pertaining to Broadband Visions LLC.
us-gaap_FiniteLivedIntangibleAssetUsefulLife
Finite-Lived Intangible Asset, Useful Life
Fiber Minnesota LLC [Member]
Represents information pertaining to Fiber Minnesota LLC.
Employee 2015 Stock Plan [Member]
Represents information pertaining to the 2015 employee stock plan,
Other Investments [Text Block]
The entire disclosure for investments classified as other.
nuvr_ManagementIncentivePlanPercentageOfCompensationInLieuOfCash
Management Incentive Plan, Percentage Of Compensation In Lieu Of Cash
Percentage of management compensation in lieu of cash for an employee stock plan.
nuvr_EmployeeIncentivePlanPercentageOfCompensationInLieuOfCash
Employee Incentive Plan, Percentage Of Compensation In Lieu Of Cash
Percentage of incentive compensation in lieu of cash for employee incentive plans.
Renvenue
Revenues
Total revenue
nuvr_TotalLeverageRatio
Total Leverage Ratio
Represents the total leverage ratio.
nuvr_DividendsContingencyMaximumAmountAuthorizedFromTotalLeverageRatio
Dividends, Contingency, Maximum Amount Authorized from Total Leverage Ratio
The maximum amount of dividends available to be authorized contingent on the total leverage ratio.
OPERATING EXPENSES:
Dividends Authorized at Three Million or Less [Member]
Represents information pertaining to dividends authorized at $3,000,000 or less.
nuvr_DividendsContingencyTotalLeverageRatioRequired
Dividends, Contingency, Total Leverage Ratio Required
Information pertaining to the total leverage ratio required in related to contingencies involving dividend agreements.
nuvr_CapitalBudget
Capital Budget
The amount of capital budget.
Non-qualified 2022 Options [Member]
Represents information pertaining to non-qualified 2022 options.
Non-Qualified 2023 Options [Member]
Represents information pertaining to non-qualified 2023 options.
us-gaap_DeferredCompensationArrangementWithIndividualCashAwardGrantedAmount
Balance, Targeted Performance-Based Cash
Balance, Targeted Performance-Based Cash
Omnibus 2017 Stock Plan [Member]
Represents information pertaining to the 2017 omnibus stock plan.
Non-qualified 2024 Options [Member]
Represents information pertaining to non-qualified 2024 options.
us-gaap_Depreciation
Depreciation
us-gaap_DepreciationDepletionAndAmortization
Depreciation and Amortization
Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits by Title of Individual and Type of Deferred Compensation [Table Text Block]
Share-Based Compensation Arrangement by Share-Based Payment Award, Conversion of Restricted Stock Units to Options [Table Text Block]
The entire tabular disclosure for the conversion of restricted stock units to options.
Issued, Vesting Date
Date which options for a share-based compensation arrangement become vested.
nuvr_TotalProjectCosts
Total Project Costs
Value of total project costs.
nuvr_GovernmentAssistancePercentageOfTotalCostToBuildFiberConnectionsAwarded
Government Assistance, Percentage of Total Cost to Build Fiber Connections Awarded
The percentage of total cost to build fiber connections awarded from government assistance.
nuvr_GovernmentAssistancePercentageOfTotalCostOfBuildingFiberConnectionsMatchedByCompany
Government Assistance, Percentage of Total Cost of Building Fiber Connections Matched By Company
Represents the percentage of the total cost of building fiber connections required to be matched by the company in a government assistance agreement.
us-gaap_AssetsCurrent
Total Current Assets
Granted, Weighted Average Remaining Term (Year)
Weighted average remaining contractual term for option awards granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Other Contracted Revenue [Member]
Represents information pertaining to other contracted revenue.
Minnesota DEED Low-Density Broadband Grant [Member]
Represents information pertaining to the low-density broadband grant from the Minnesota Department of Employment and Economic Development.
December 2022 DEED Broadband Grants [Member]
Represents information pertaining to the DEED broadband grants from December 2022.
Income Taxes Receivable
nuvr_GovernmentAssistanceTotalCostToBuildFiberConnectionsAwarded
Government Assistance, Total Cost to Build Fiber Connections Awarded
The total amount of cost to build fiber connections awarded from government assistance.
United States Low-Density Broadband Grant [Member]
Represents the United State low-density broadband grants.
Common Stock - $1.66 Par Value, 90,000,000 Shares Authorized, 5,215,348 and 5,178,176 Shares Issued and Outstanding
Adjustments to Reconcile Net Income to Net Cash
Common Stock, Shares Authorized (in shares)
Goodhue County Minnesota Low-Density Broadband [Member]
Represents the Goodhue County Minnesota low-density broadband.
Common Stock, Shares, Issued (in shares)
Common Stock, Par or Stated Value Per Share (in dollars per share)
Finanical Derivative Instruments
us-gaap_DerivativeInstrumentsAndHedges
Statistical Measurement [Domain]
Lessee, Lease, Description [Table]
Maximum [Member]
Minimum [Member]
Product and Service [Axis]
Product and Service [Domain]
Statistical Measurement [Axis]
Investment, Name [Domain]
Preferred Stock - $1.66 Par Value, 10,000,000 Shares Authorized, No Shares Issued and Outstanding
Preferred Stock, Shares Issued (in shares)
Cash paid for interest
Cash Flow, Supplemental Disclosures [Text Block]
Investment, Name [Axis]
us-gaap_DeferredTaxAssetsOther
Other
Geographical [Axis]
Property, Plant and Equipment Disclosure [Text Block]
Geographical [Domain]
us-gaap_DeferredTaxAssetsGross
Total Deferred Tax Assets
Property, Plant and Equipment [Table Text Block]
Preferred Stock, Shares Authorized (in shares)
us-gaap_DeferredIncomeTaxLiabilities
Total Deferred Tax Liabilities:
Materials, Supplies, and Inventories
Inventory, Net
Plant Operations [Member]
Represents information pertaining to plant operations.
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_InventoryValuationReserves
Inventory Valuation Reserves
Communications Plant [Member]
Represents information pertaining to the communications plant.
Video Plant [Member]
Represents information pertaining to the video plant.
IOWA
MINNESOTA
us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals
Accrued Expenses
Other Revenue [Member]
Represents information pertaining to revenues classified as other.
us-gaap_PropertyPlantAndEquipmentUsefulLife
Property, Plant and Equipment, Useful Life
The 2025 Plan [Member]
Represents the 2025 plan.
CASH FLOWS FROM OPERATING ACTIVITIES:
Receivables, Net
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Statement [Line Items]
us-gaap_AccountsReceivableNetCurrent
Accounts Receivable, after Allowance for Credit Loss, Current
us-gaap_NumberOfReportableSegments
Number of Reportable Segments
us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits
Deferred Compensation
Property, Plant and Equipment, Other Types [Member]
OPERATING REVENUES:
Building [Member]
nuvr_SharebasedCompensationArrangementBySharebasedPaymentAwardServicePeriod
Share-based Compensation Arrangement by Share-based Payment Award Service Period
Service period of share-based compensation arrangement.
AOCI Attributable to Parent [Member]
STOCKHOLDERS' EQUITY:
Land [Member]
Other Investment Income
Property, Plant and Equipment [Table]
us-gaap_NonoperatingIncomeExpense
Total Other Expense
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset [Domain]
Segment Reporting Disclosure [Text Block]
CURRENT ASSETS:
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
State NOL
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
CASH at Beginning of Period
CASH at End of Period
us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
Federal NOL
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
NET CHANGE IN CASH
Interest/Dividend Income
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net Cash Provided by Financing Activities
Commitments and Contingencies
us-gaap_OperatingIncomeLoss
OPERATING INCOME
OTHER INCOME (EXPENSE):
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net Cash Provided by Operating Activities
us-gaap_ContractWithCustomerLiabilityRevenueRecognized
Contract with Customer, Liability, Revenue Recognized
Prepaid Expenses and Other Current Assets
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net Cash Used in Investing Activities
us-gaap_DeferredTaxLiabilities
Total Net Deferred Taxes
Intangible Assets
Cost of revenue
Cost of Revenue
Base Rate [Member]
Deferred Income Taxes
Issued, Vesting Date
nuvr_DeferredCompensationArrangementWithIndividualCashAwardGrantedVestingDate
Vesting date of commitment made to pay deferred cash remuneration.
Consolidation Items [Domain]
Issued, Vested
Amount of commitment made during period to pay deferred cash remuneration that has vested.
SETC [Member]
Represents information pertaining to the SETC.
Leases
HTC [Member]
Represents information pertaining to HTC.
Issued, Targeted Performance-Based Cash
Amount of commitment made during the period to pay deferred cash remuneration.
Scott-Rice [Member]
Represents information pertaining to Scott-Rice.
nuvr_DeferredCompensationArrangementWithIndividualCashAwardVestedAmount
Balance, Vested
Balance, Vested
Amount of commitment made to pay deferred cash remuneration that has vested.
Consolidation Items [Axis]
us-gaap_InvestmentVariableInterestRateTypeExtensibleEnumeration
Investment, Variable Interest Rate, Type [Extensible Enumeration]
Investments
Plant Under Construction [Member]
Represents information pertaining to the plant under construction.
Condensed Cash Flow Statement [Table]
Other Plant And Equipment [Member]
Represents information pertaining to other plant and equipment.
Unrealized Gain on SWAP
Other Support Assets [Member]
Represents information pertaining to other support assets.
Fixed Assets
Cable And Wire Facilities [Member]
Represents information pertaining to cable and wire facilities.
Central Office And Circuit Equipment [Member]
Represents information pertaining to the central office and circuit equipment.
Equity Method Investment [Table]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
us-gaap_GovernmentContractReceivableProgessPaymentsOffset
Government Contract Receivable, Progress Payment Offset
us-gaap_CostsAndExpenses
Total Operating Expenses
nuvr_DeferredTaxAssetsLeases
Leases
Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from leases.
Retained Earnings [Member]
us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Revenue from Contract with Customer, Excluding Assessed Tax
State
Contract Assets
Amount of deferred tax liability attributable to taxable temporary differences from contract liabilities.
Granted, Aggregate Intrinsic Value
Amount of accumulated difference between fair value of underlying shares granted.
Common Stock [Member]
Federal
Equity Components [Axis]
Equity Component [Domain]
Long-Term Debt
us-gaap_LongTermDebt
Long-Term Debt
nuvr_GrantsAwardedButNotReceived
Grants Awarded But Not Received
Grants awarded but not received.
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
INCOME (LOSS) BEFORE INCOME TAXES
Affiliates [Member]
Represents information pertaining to affiliates.
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
us-gaap_PaymentsOfLoanCosts
Loan Origination Fees
dei_IcfrAuditorAttestationFlag
ICFR Auditor Attestation Flag
us-gaap_LineOfCredit
Long-Term Line of Credit
State and Local Jurisdiction [Member]
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Secured Debt
Internal Revenue Service (IRS) [Member]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue [Table]
Domestic Tax Jurisdiction [Member]
us-gaap_RepaymentsOfLongTermDebt
Principal Payments of Long-Term Debt
Revenue from Contract with Customer [Text Block]
Document Annual Report
us-gaap_DebtInstrumentUnamortizedDiscount
Less: Unamortized Loan Fees
Entity Incorporation, State or Country Code
Long-Term Debt
Long-Term Debt, Gross
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits
Accounting Policies [Abstract]
us-gaap_OpenTaxYear
Open Tax Year
Document Transition Report
dei_DocumentFinStmtErrorCorrectionFlag
Document Financial Statement Error Correction [Flag]
dei_EntityInteractiveDataCurrent
Entity Interactive Data Current
DIVIDENDS PER SHARE (in dollars per share)
Checks Written in Excess of Cash Balances
Title of 12(g) Security
us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Write-offs, less recoveries
Equity Method Investment, Nonconsolidated Investee [Axis]
Loan Proceeds
Equity Method Investment, Nonconsolidated Investee [Domain]
Government Assistance [Text Block]
Government Assistance, Type [Axis]
Government Assistance, Type [Domain]
Government Assistance [Table]
Other Property [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
dei_AuditorName
Auditor Name
dei_AuditorFirmId
Auditor Firm ID
dei_AuditorLocation
Auditor Location
Name of Property [Axis]
Name of Property [Domain]
us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Dilutive Options (in shares)
Other Accrued Liabilities
Other Accrued Liabilities, Noncurrent
Diluted (in shares)
us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Weighted-average common shares outstanding, Diluted (in shares)
us-gaap_OperatingLossCarryforwards
Operating Loss Carryforwards
Statement [Table]
Diluted (in dollars per share)
Net income (loss) per share, Diluted (in dollars per share)
Statement of Financial Position [Abstract]
Basic (in shares)
us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted-average common shares outstanding, Basic (in shares)
Other adjustments, percent
Cost of Services, Excluding Depreciation and Amortization
us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Total, percent
Basic (in dollars per share)
Net income (loss) per share, Basic (in dollars per share)
us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Changes in Revolving Credit Facility
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Statement of Cash Flows [Abstract]
Statement of Stockholders' Equity [Abstract]
Income Statement [Abstract]
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
OTHER COMPREHENSIVE LOSS
2028
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2029
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2030
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2026
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2027
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Unrealized Losses on Interest Rate Swaps
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Other, percent
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Nondeductible goodwill impairment, percent
Accounting Standards Update and Change in Accounting Principle [Table]
Schedule of Intangible Assets and Goodwill [Table Text Block]
us-gaap_GovernmentContractReceivable
Government Contract Receivable
Fourth IRSA With Co-Bank [Member]
Represents the fourth IRSA with Co-Bank.
IRSAs With Co-Bank [Member]
Represents the IRSAs with Co-Bank.
State income taxes, net of federal benefit, percent
Other Commitments [Table]
us-gaap_PaymentsForProceedsFromOtherInvestingActivities
Other, Net
Other adjustments, amount
nuvr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodIntrinsicValue
Forfeited, Aggregate Intrinsic Value
Amount by which the current fair value of the underlying stock exceeds the exercise price of options forfeited or expired.
CASH FLOWS FROM FINANCING ACTIVITIES:
us-gaap_OtherLiabilitiesNoncurrent
Total Noncurrent Liabilities
Income taxes computed at the federal statutory rate, percent
us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms
Construction Contractor, Receivable, Excluding Contract Retainage
Deferred Compensation
us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent
us-gaap_StockholdersEquity
Total Stockholders' Equity
BALANCE
BALANCE
Other, amount
Nondeductible goodwill impairment, amount
Class of Stock [Axis]
Total Long Term Debt
LONG-TERM DEBT, Net of Unamortized Loan Fees
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_DeferredTaxAssetInterestCarryforward
Sec. 163(j) business interest limitation
Interest Rate Swap [Member]
Operating Segments [Member]
Schedule of Weighted Average Number of Shares [Table Text Block]
State income taxes, net of federal benefit, amount