Amendment Flag Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Document Information [Line Items] Document Information [Table] Document Period End Date Document Type Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Filer Category Entity Registrant Name Document and Entity Information [Abstract] Other Assets, Current Other Liabilities, Noncurrent Other current assets Other liabilities Accounts payable - trade Accounts Payable, Trade, Current Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation Assets, Total Total assets Assets Assets [Abstract] Assets, Current, Total Total current assets Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Due from Affiliate, Current Due from affiliates Due to Affiliate, Current Due to affiliates Accrued compensation and benefits Employee-related Liabilities, Current Investment in National Beef Packing Company, LLC Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Liabilities, Total Total liabilities Liabilities [Abstract] Liabilities and Capital Shares and Equities Liabilities, Current, Total Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities: Members Capital Members' capital, 735,385 Class A units and 755,385 Class B units authorized, issued and outstanding Other accrued expenses and liabilities Other Accrued Liabilities, Current Other assets Other Assets, Noncurrent Other Receivables Other receivables Property, Plant and Equipment, Gross, Total Property, plant, and equipment, at cost Net property, plant, and equipment Property, Plant and Equipment, Net, Total Restricted cash Restricted Cash and Cash Equivalents, Current Consolidated Balance Sheets [Abstract] Capital shares and equities: Stockholders Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Distributions Payable Distributions payable Total amount of distributions payable. Liabilities And Capital Shares And Equities Total liabilities and capital shares and equities Total of all Liabilities and Capital Shares and Equities items, including the portion of equity attributable to noncontrolling interests. Patronage Notice Payable In Cash Patronage notices payable Total of patronage notice payable in cash. Classification of units representing ownership interest. Classification of units that has different rights than Class A, representing ownership interest in a Limited Liability Company. Class A Units [Member] Class B Units [Member] Common Unit, Authorized Members' capital, units authorized Common Unit, Issued Members' capital, units issued Common Unit, Outstanding Members' capital, units outstanding Class of Stock [Domain] Class of Stock [Axis] Statement [Line Items] Statement [Table] Class B units [Member] Class A units [Member] Income (loss) per unit: Diluted Basic Diluted Weighted Average Number Of Units Outstanding [Abstract] Total costs and expenses Earnings Per Unit [Abstract] Income before taxes Statements of Operations [Abstract] Income tax expense Operating loss Equity interest in net income (loss) of National Beef Packing Company, LLC Outstanding weighted-average units: Net increase (decrease) in cash Net loss Adjustments to reconcile net (loss) income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Cash and cash equivalents at beginning of the period Cash and cash equivalents at end of the period Cash and Cash Equivalents, Period Increase (Decrease), Total Release of escrowed funds related to the 2011 transaction with Leucadia Proceeds from Equity Method Investment, Dividends or Distributions Distribution from National Beef Packing Company, LLC Equity in net loss (earnings) of National Beef Packing Company, LLC Accounts payable Increase (Decrease) in Accounts Payable, Total Due from affiliates Increase (Decrease) in Due from Affiliates, Current Due to affiliates Increase (Decrease) in Due to Affiliates, Current Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities, Total Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Increase (Decrease) in Other Accrued Liabilities Other accrued expenses and liabilities Increase (Decrease) in Other Receivables Other receivables Increase (Decrease) in Prepaid Expense and Other Assets, Total Other assets Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Payments of Capital Distribution Member distributions Statements of Cash Flows [Abstract] Basis of Accounting [Text Block] Interim Financial Statements Interim Financial Statements [Abstract] Members' Capital [Abstract] Members' Equity Notes Disclosure [Text Block] Members' Capital Income (Loss) Attributable to USPB Per Unit [Abstract] Earnings Per Share [Text Block] Income (Loss) Attributable to USPB Per Unit Investment in National Beef Packing Company, LLC Investment in National Beef Packing Company, LLC [Abstract] Investments in and Advances to Affiliates, Schedule of Investments [Text Block] Restricted Cash [Text Block] Restricted Cash [Abstract] Restricted Cash The entire disclosure for restricted cash. Reconciliation Of Members Capital [Table Text Block] Reconciliation of Members' Capital The entire tabular disclosure for beginning balance of members capital changes during the year and ending balance. Schedule Of Income Per Unit Calculation [Table Text Block] Schedule of Income (Loss) Per Unit Calculation Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends, if any. Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block] Summary of Operations for NBP Investment ownership percentage sold The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting sold. Equity Method Investment Ownership Percentage Sold Investment, Name [Domain] Equity Method Investment, Ownership Percentage Investment ownership percentage Investment, Name [Axis] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Table] National Beef Packing Company, LLC [Member] NBP [Member] National Beef Packing Company, LLC [Member] Distribution Made to Limited Liability Company (LLC) Member, Cash Distributions Paid Member distributions Beginning balance Ending balance Allocation of net income (loss) Class A [Member] Basic income (loss) per unit Class B [Member] Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax [Abstract] Net Income (Loss) Allocated to Limited Partners Income (loss) attributable to USPB available to unitholders (numerator) Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted Per unit amount Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Per unit amount Net Income (Loss), Net of Tax, Per Outstanding Limited Partnership Unit, Diluted [Abstract] Diluted income (loss) per unit: Net Income (Loss), Per Outstanding Limited Partnership Unit, Diluted, Other Disclosures [Abstract] Weighted average outstanding Weighted Average Limited Partnership Units Outstanding, Basic Weighted average outstanding units (denominator) Weighted Average Limited Partnership Units Outstanding, Diluted Weighted average outstanding units (denominator) Weighted Average Number Diluted Limited Partnership Units Outstanding Adjustment Effect of dilutive securities Basic Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive securities Antidilutive Securities [Axis] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Class of Stock [Line Items] Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Payments For Phantom Appreciation Rights Per Unit Price To Purchase Or Convert Contractual Rights Into Class Units Conversion price per unit Phantom Share Units (PSUs) [Member] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Stock by Class [Table] This represents the purchase price of unit or conversion price per unit of appreciation rights. Ownership percentage Payment for phantom appreciation rights Payments for phantom appreciation rights during the period. Income tax expense Net income (loss) Net Income (Loss) Attributable to Noncontrolling Interest Less: net loss attributable to Kansas City Steak Company, LLC Schedule of Investments [Table] Entity [Domain] Legal Entity [Axis] Cost of Goods Sold, Total Cost of sales Costs and Expenses, Total Total costs and expenses Costs and Expenses [Abstract] Costs and expenses: Depreciation and amortization Depreciation, Depletion and Amortization, Total Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest, Total Income before taxes Income (Loss) from Equity Method Investments Income Tax Expense (Benefit) Interest expense Interest Expense, Total Interest income Investment Income, Interest Net Income (Loss) Attributable to Parent, Total Nonoperating Income (Expense) [Abstract] Other income (expense): Operating income Operating Income (Loss), Total Other Nonoperating Income (Expense), Total Other, net Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net sales Revenue, Net, Total Schedule of Investments [Line Items] Selling, General and Administrative Expense, Total Selling, general, and administrative expenses NBP's net income (loss) attributable to USPB Release from escrow account Release of proceeds from escrow deposit during the period and still held as restricted cash at balance sheet date. Decrease In Escrow Depsoit Still Held As Restricted Cash Proceeds received from escrow account Decrease in Restricted Cash Amount of proceeds deposited in escrow account related to transaction with Leucadia Escrow Deposit Immaterial Prior Period Revision [Abstract] Accounting Changes and Error Corrections [Text Block] Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Error Corrections and Prior Period Adjustments Restatement [Line Items] Increase (Decrease) in Book Overdrafts Change in overdraft balances Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations, Total Net Cash Provided by (Used in) Investing Activities, Continuing Operations, Total Net cash provided by investing activities Proceeds from Contributions from Affiliates Distribution from National Beef Packing Company, LLC Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital Distribution from National Beef Packing Company, LLC Restatement Adjustment [Member] Revision [Member] Scenario, Previously Reported [Member] Original [Member] Scenario, Unspecified [Domain] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Scenario [Axis] Prior Year Excess Distribution Prior year excess distribution The cash inflow from prior year excess distribution.