Class of Stock [Axis] Class A Units [Member] Class B Units [Member] Series [Axis] National Beef Packing Company, LLC [Member] Plan Name [Axis] Management Phantom Unit Plan [Member] Cash Incentive And Bonus Plans [Member] Equity Method Investment, Nonconsolidated Investee [Axis] Lender Name [Axis] Co Bank [Member] Credit Facility [Axis] Revolving Credit Facility [Member] Statement [Table] Affiliate, Collateralized Security [Line Items] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] Assets Current assets: Cash and cash equivalents Accounts receivable Due from affiliates Other current assets Total current assets Property, plant, and equipment, at cost Less accumulated depreciation Net property, plant, and equipment Right of use assets, net Investment in National Beef Packing Company, LLC Other assets Total assets Liabilities and Members' Capital Current liabilities: Accounts payable - trade Due to affiliates Accrued compensation and benefits Lease obligations Other accrued expenses and liabilities Distributions Payable Total current liabilities Long-term liabilities: Lease obligations Other liabilities Total long-term liabilities Total liabilities Commitments and contingencies Members' capital Members' contributed capital, 735,385 Class A units and 755,385 Class B units authorized, issued and outstanding Total members' capital Total liabilities and members' capital Statement [Line Items] Members' capital, units authorized Members' capital, units issued Members' capital, units outstanding Net sales Costs and expenses: Cost of sales Selling, general, and administrative expenses Depreciation and amortization Total costs and expenses Operating loss Other income: Interest income Interest expense Equity in income of National Beef Packing Company, LLC Other, net Total other income Net income Income per unit: Basic and diluted Outstanding weighted-average Class A and Class B units: Basic and diluted Statement of Cash Flows [Abstract] Cash flows from operating activities: Net income Adjustments to reconcile net income to net cash provided by operating activities: Depreciation and amortization Equity in net income of National Beef Packing Company, LLC Distributions from National Beef Packing Company, LLC Changes in assets and liabilities: Accounts receivable Due from affiliates Other assets Accounts payable Due to affiliates Accrued compensation and benefits Other accrued expenses and liabilities Net cash provided by operating activities Cash flows from investing activities: Capital expenditures, including interest capitalized Net cash used in investing activities Cash flows from financing activities: Member distributions Net cash used in financing activities Net increase in cash Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Accounting Policies [Abstract] Interim Financial Statements Accounting Policies Noncompetition Agreements Noncompetition Agreements Retirement Benefits [Abstract] Employee Compensation Plans Earnings Per Share [Abstract] Earnings Per Unit Equity Method Investments and Joint Ventures [Abstract] Investment in National Beef Packing Company, LLC Income Tax Disclosure [Abstract] Income Taxes Debt Disclosure [Abstract] Long-term Debt and Loan Agreements Members Capital Members’ Capital Commitments and Contingencies Disclosure [Abstract] Legal Proceedings Subsequent Events [Abstract] Subsequent Events Accounting for Investment in NBP Cash and Cash Equivalents Distributions Payable Schedule of non-compete amounts Reconciliation of earnings per unit Investment roll forward Schedule of Operations for NBP Schedule of Reconciliation of Members' Capital Entity Listings [Line Items] Equity investment ownership percentage Cash and Cash Equivalents, at Carrying Value Distributions payable Current non-compete Long-term non-compete Total non-compete  Noncompetition payment payable year one Contractual Obligation Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Accrued liabilities Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Income attributable to USPB available to unitholders (numerator) Weighted average outstanding units (denominator) Per unit amount Beginning Investment Balance Equity in net income Distributions Ending Investment Balance Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Line Items] Net sales Cost of sales Selling, general, and administrative expenses Depreciation and amortization Total costs and expenses Operating income Other income (expense): Interest income Interest expense Income before taxes Income tax expense Net income NBP's net income attributable to USPB State income tax payable Line of Credit Facility [Table] Line of Credit Facility [Line Items] Credit line maximum borrowing capacity Credit line expiration date Credit line, remaining borrowing capacity Beginning balance Allocation of net income Member distributions Ending balance Current portion of gross carrying amount before accumulated amortization as of the balance sheet date of payments made to third parties in exchange for their agreement not to engage in specified competitive practices in specified geographic territories for a specified period of time. Noncurrent portion of gross carrying amount before accumulated amortization as of the balance sheet date of payments made to third parties in exchange for their agreement not to engage in specified competitive practices in specified geographic territories for a specified period of time. Equity method investments, net sales Equity method investments cost of revenue Equity method investments, selling, general, and administrative expenses Equity method investments, depreciation and amortization Equity method investments, total costs and expenses Equity method investments, operating income Equity method investment interest income Equity method investment interest expense The amount of net income (loss) before taxes reported by an equity method investment of the entity. The amount of income tax expense reported by an equity method investment of the entity. Equity method investment net income National Beef Packing Company, LLC [Member] Assets, Current Property, Plant and Equipment, Net Assets [Default Label] Liabilities, Current Operating Lease, Liability, Noncurrent Liabilities, Noncurrent Liabilities Members' Equity Liabilities and Equity Costs and Expenses Operating Income (Loss) Interest Expense Other Operating Income (Expense), Net Net Income (Loss) Attributable to Parent Other Depreciation and Amortization Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Increase (Decrease) in Accounts Receivable Increase (Decrease) in Due from Affiliates, Current Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Due to Affiliates, Current Increase (Decrease) in Employee Related Liabilities Increase (Decrease) in Other Accrued Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities MemberDistributions Net Cash Provided by (Used in) Financing Activities NoncompetitionAgreementsTextBlock Equity Method Investments and Joint Ventures Disclosure [Text Block] DistributionPayablePolicyTextBlock Finite-Lived Noncompete Agreements, Gross EquityMethodInvestmentsNetSales EquityMethodInvestmentsCostsOfRevenue EquityMethodInvestmentsSellingGeneralAndAdministrativeExpenses EquityMethodInvestmentsDepreciationAndAmortization EquityMethodInvestmentsTotalCostsAndExpenses EquityMethodInvestmentsOperatingIncomeExpense EquityMethodInvestmentIncomeInterest EquityMethodInvestmentProfitLoss Distribution Made to Limited Partner, Cash Distributions Paid