Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Table] Class Of Stock [Axis] Class of Stock [Axis] Class Of Stock [Domain] Class of Stock [Domain] Class A Units Member Class A units Represents class A of limited liability company account. Class B Units Member Class B units Represents class B of limited liability company account. Statement [Line Items] Statement [Line Items] Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Document Period End Date Document Period End Date Entity Well-Known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Entity Public Float Entity Public Float Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Type Document Type Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Accounts Receivable, Net, Current Accounts receivable, less allowance for returns and doubtful accounts of $0, $3,368 and $2,891, respectively Accounts receivable Due From Affiliate, Current Due from affiliates Other Receivables Other receivables Inventory, Net Inventories Inventories Other Assets, Current Other current assets Assets, Current Total current assets Total current assets Property, Plant and Equipment, Gross Property, plant, and equipment, at cost Property, plant, and equipment, at cost Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Less accumulated depreciation Property, Plant and Equipment, Net Net property, plant, and equipment Net property, plant, and equipment Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Goodwill Goodwill Goodwill, Total Goodwill, Beginning Balance Goodwill, Ending Balance Finite-Lived Intangible Assets, Net, Total Other intangible assets, net of accumulated amortization of $0, $18,230 and $16,128, respectively Other intangible assets, net of accumulated amortization of $0, $18,230 and $16,128, respectively Investments In and Advance To Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in National Beef Packing Company, LLC Investments in National Beef Packing Company, LLC Restricted Cash and Cash Equivalents, Current Restricted cash Other Assets, Noncurrent Other assets Other Assets, Noncurrent, Total Assets Total assets Total assets Liabilities and Equity [Abstract] Liabilities and Capital Shares and Equities Liabilities, Current [Abstract] Current liabilities: Long-Term Debt, Current Maturities Current installments of long-term debt Current installments of long-term debt Cattle Purchases Payable Cattle purchases payable Total of cattle purchases payable. Accounts Payable, Trade, Current Accounts payable - trade Due To Affiliate, Current Due to affiliates Employee-Related Liabilities, Current Accrued compensation and benefits Employee-related Liabilities, Current, Total Accrued Insurance, Current Accrued insurance Other Accrued Liabilities, Current Other accrued expenses and liabilities Patronage Notice Payable In Cash Patronage notices payable in cash Total of patronage notice payable in cash. Distributions Payable Distributions payable Total amount of Distributions payable. Liabilities, Current Total current liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities: Long-Term Debt and Capital Lease Obligations Long-term debt, excluding current installments Long-term debt, excluding current installments Other Liabilities, Noncurrent Other liabilities Other Liabilities, Noncurrent, Total Liabilities, Noncurrent Total long-term liabilities Total long-term liabilities Liabilities Total liabilities Total liabilities Capital Subject To Redemption Non-controlling interest in National Beef Packing Company, LLC Non-controlling interest in subsidiary, Capital Subject to Redemption. Stockholders Equity, Including Portion Attributable To Noncontrolling Interest [Abstract] Capital shares and equities: Members Capital The amount of ownership interest of different classes of members in the limited liability company. Members' capital, 735,385 and 735,385 Class A units and 755,385 and 755,385 Class B units authorized, issued and outstanding Balance Balance Patronage Notices Patronage notices The amount of the Patronage Notices. Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net Of Tax Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance Members Capital and Patronage Notices Total capital shares and equities attributable to USPB Total of all capital shares and equities (deficit) items, which are attributable to the parent. Excludes the amount of capital shares and equities which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Total capital shares and equities attributable to USPB Non Controlling Interest In Subsidiary Non-controlling interest in Kansas City Steak Company, LLC Total of all capital shares and equities which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). Capital Shares and Equities Balance Balance Total capital shares and equities Total capital shares and equities Total of all capital shares and equities (deficit) items, which are attributable to the parent and noncontrolling interests. This excludes temporary equity and is sometimes called permanent equity. Liabilities and Capital Shares and Equities Total liabilities and capital shares and equities Total liabilities, non-controlling interest in NBP and capital shares and equities Total of all Liabilities and Capital Shares and Equities items, including the portion of equity attributable to noncontrolling interests. Limited Liability Company Capital Account Units Authorized The number of limited liability company units authorized to be issued. Members Capital, shares authorized Limited Liability Company Capital Account Units Issued The number of limited liability company units issued. Members Capital, shares issued Limited Liability Company Capital Account Units Outstanding The number of limited liability company units outstanding. Members Capital, shares outstanding Income Statement [Abstract] Income Statement [Abstract] Revenue, Net Net sales Net sales Costs and Expenses [Abstract] Costs and expenses: Cost Of Goods Sold Cost of sales Cost of sales Amortization Of Financing Costs Amortization of debt issuance costs Selling, General and Administrative Expense Selling, general, and administrative expenses Selling, general, and administrative expenses Gain (Loss) On Sale Of Property Plant Equipment Gain on disposal of property, plant, and equipment Equity in earnings of National Beef Packing Company, LLC Gain on disposal of property, plant, and equipment Costs and Expenses Total costs and expenses Total costs and expenses Depreciation, Depletion and Amortization Depreciation and amortization Depreciation and amortization Operating Income (Loss) Operating income Operating income Nonoperating Income (Expense) [Abstract] Other income (expense): Investment Income, Interest Interest income Other Nonoperating Income (Expense) Other, net Other, net Nonoperating Income (Expense) Total other expense Total other expense Deconsolidation, Gain (Loss), Amount Gain on deconsolidation and sale of majority of ownership interest in National Beef Packing Company, LLC Gain on sale of majority interest in National Beef Packing Co., LLC Termination Fee Termination fee The net amount of termination fee included in other income expenses. Termination fee Interest Expense Interest expense Interest expense Interest expense Income (Loss) From Continuing Operations Before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before taxes Income before taxes Income (Loss) From Equity Method Investments Equity in earnings of National Beef Packing Company, LLC Income (Loss) from Equity Method Investments, Total Equity in earnings of National Beef Packing Company, LLC Income Tax Expense (Benefit) Income tax expense Income tax expense Net Income (Loss), Including Portion Attributable To Noncontrolling Interest Net income Allocation of net income for the year Net income Net Income Loss Attributable To Noncontrolling Interest One The portion of net Income or Loss attributable to the noncontrolling interest in subsidiary. Kansas City Steak Company, LLC Kansas City Steak Company, LLC Net Income Loss Attributable To Noncontrolling Interest Two The portion of net Income or Loss attributable to the noncontrolling interest in subsidiary. National Beef Packing Company, LLC National Beef Packing Company, LLC Net Income (Loss) Attributable To Parent Allocation of net income for the year Net income attributable to U.S. Premium Beef, LLC Earnings Per Unit [Abstract] Earnings per unit: Net Income Loss Per Outstanding Limited Liability Company Unit Diluted [Abstract] Diluted Net Income Loss Per Outstanding Limited Liability Company Unit Diluted Net income or loss allocated to each limited liability company unit outstanding during the reporting period and each unit that would have been outstanding assuming the issuance of limited liability company units for all dilutive potential units outstanding during the reporting period. Class A and Class B units (in dollars per unit) Class B units Weighted Average Number Of Units Outstanding [Abstract] Outstanding weighted-average Class A and Class B units: Weighted Average Number Of Units Outstanding Basic [Abstract] Basic Weighted Average Limited Liability Company Units Outstanding Basic The average number of limited liability company units issued and outstanding that are used in calculating basic earnings per unit. Class A and Class B units (in shares) Weighted Average Number Of Units Outstanding Diluted [Abstract] Diluted Weighted Average Limited Liability Company Units Outstanding Diluted The average number of limited liability company units issued and outstanding that are used in calculating diluted earnings per unit. Class A and Class B units (in shares) Statement Of Income and Comprehensive Income [Abstract] Statement of Income and Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Net Of Tax [Abstract] Other comprehensive income (expense): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net Of Tax Foreign currency translation adjustment Foreign currency translation adjustments Comprehensive Income (Loss), Net Of Tax, Including Portion Attributable To Noncontrolling Interest Comprehensive income Comprehensive income Comprehensive Income (Loss), Net Of Tax, Attributable To Noncontrolling Interest [Abstract] Comprehensive income attributable to non-controlling interest in: Comprehensive Income (Loss), Net Of Tax, Attributable To Parent Comprehensive income attributable to USPB Comprehensive income attributable to USPB Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Equity Method Investment, Dividends Or Distributions Distribution from National Beef Packing Company, LLC Write Off Of Deferred Debt Issuance Cost Write-off of debt issuance costs Increase (Decrease) In Operating Capital [Abstract] Changes in assets and liabilities (net of acquisitions): Increase (Decrease) In Accounts Receivable Accounts receivable Accounts receivable Increase (Decrease) In Due From Affiliates, Current Due from affiliates Due from affiliates Increase (Decrease) In Other Receivables Other receivables Other receivables Increase (Decrease) In Inventories Inventories Inventories Inventories Increase (Decrease) In Prepaid Expense and Other Assets Other assets Other assets Other assets Increase Decrease In Cattle Purchases Payable Cattle purchases payable The increase (decrease) during the reporting period in Cattle purchases payable. Increase (Decrease) In Accounts Payable Accounts payable Accounts payable Increase (Decrease) In Due To Affiliates, Current Due to affiliates Increase (Decrease) In Employee Related Liabilities Accrued compensation and benefits Accrued compensation and benefits Increase Decrease In Accrued Insurance Accrued insurance The increase (decrease) during the reporting period in Accrued insurance. Increase (Decrease) In Other Accrued Liabilities Other accrued expenses and liabilities Net Cash Provided By (Used In) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided By (Used In) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities: Payments To Acquire Property, Plant, and Equipment Capital expenditures, including interest capitalized Capital expenditures, including interest capitalized Capital expenditures, including interest capitalized Proceeds From Sale Of Majority Interest In Subsidiary This is a cash inflow associated with the sale of a majority of the ownership interests of a subsidiary. Proceeds from sale of majority interest in National Beef Packing Co., LLC, net Proceeds From Termination Fee Termination fee The cash inflow from net amount of termination fee included in other income expenses. Payments To Acquire Businesses, Net Of Cash Acquired Acquisition of businesses Acquisition of minority interests in National Beef Packing Co., LLC Acquisition of businesses Proceeds From Sale Of Property, Plant, and Equipment Proceeds from sale of property, plant, and equipment Proceeds from sale of property, plant, and equipment Net Cash Provided By (Used In) Investing Activities, Continuing Operations Net cash provided by (used in) investing activities Net cash provided by (used in) investing activities Net Cash Provided By (Used In) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities: Proceeds From (Repayments Of) Lines Of Credit Net (payments) receipts under revolving credit lines Proceeds from (Repayments of) Lines of Credit, Total Repayments Of Long-Term Debt Borrowings under term note payable Borrowings under term note payable Borrowings under term note payable Repayments Of Other Debt and Capital Lease Obligations Repayments of other indebtedness/capital leases The cash outflow during the period from the repayment of other debt and payment of capital lease obligations. Repayments of other indebtedness/capital leases Repayments Of Senior Debt Purchase and cancellation of Senior Notes Purchase and cancellation of Senior Notes Purchase and cancellation of Senior Notes Payment Of Patronage Notices Payments of patronage notices The cash outflow for patronage notices. Payments of patronage notices Payments Of Notes Payable and Fees Payments of notes payable and fees The cash outflow for a borrowing supported by a written promise and fees to pay an obligation. Payments of notes payable and fees Payments Of Financing Costs Cash paid for financing costs Cash paid for financing costs Cash paid for financing costs Change In Overdraft Balances This is the net cash inflow or outflow associated with checks that have been issued, but have not yet cleared. Change in overdraft balances Member Capital Redeemed Member capital redeemed Member Capital Redeemed. Member capital redeemed Proceeds From Noncontrolling Interests Minority owner capital contribution Payments Of Capital Distribution Partnership distributions Partnership distributions and redemptions Distribution Made To Member Or Limited Partner, Cash Distributions Paid Distributions to non-controlling interests in National Beef Packing Company, LLC Distributions to non-controlling interests in National Beef Packing Company, LLC Net Cash Provided By (Used In) Financing Activities, Continuing Operations Net cash used in financing activities Net cash used in financing activities Effect Of Exchange Rate On Cash and Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash Net increase (decrease) in cash Supplemental Cash Flow Information [Abstract] Supplemental cash disclosures: Interest Paid Cash paid during the period for interest Income Taxes Paid, Net Cash paid during the period for taxes, net of $0, $0, $0, and $925 refunds, respectively Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental noncash disclosures of investing and financing activities: Assets Acquired Through Capital Lease Assets acquired through capital lease The amount of Assets acquired through capital lease. Issuance Of Equity for Exercise of Ceo Options Issuance of equity for the exercise of CEO's options Issuance of equity for the exercise of CEO's options. Proceeds From Income Tax Refunds Proceeds from Income Tax Refunds (in dollars) Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Statement, Equity Components [Axis] Members Capital [Member] Members' capital The ownership interest of different classes of members in the limited liability company. Patronage Notices [Member] Patronage notices Patronage Notices were redeemed in full as a result of USPB's sale of a majority of its ownership interest in NBP to LUK Patronage Notices do not constitute units or membership interests in the Company, and holders will not be unitholders or associates of the Company by virtue of holding Patronage Notices. As was the case in the cooperative, Patronage Notices will be paid by the Company at such time and in such amounts as may be determined by the board of directors in its sole and absolute discretion. Upon liquidation, holders of Patronage Notices will be paid before holders of Class A and Class B interests. Patronage Notices carry no other or additional rights. Accumulated Other Comprehensive Income (Loss) [Member] Accumulated other comprehensive (loss) income Non Controlling Interest In Subsidiary [Member] Non-controlling interest in Kansas City Steak Company, LLC This element represents capital shares and equities which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). Increase (Decrease) In Stockholders Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Step Up Accounting For Acquisition Of Non Controlling Interests Step up accounting for acquisition of non-controlling interests Adjustment that results from step up accounting for acquisition of non-controlling interests. Limited Liability Account, Option Exercise Equity issuance related to CEO option exercise Total change in each class of limited liability company accounts during the year due to option exercise. All limited liability . Limited Liability Account, Distributions, Total Partner distributions Total distributions to each class of limited liability (i.e., general, limited liability). Adjustment To Fair Value Of Non Controlling Interest Adjustment to fair value of non-controlling interest This represents accumulated fair value adjustments to minority owners interest. Distibutions To Non Controlling Interest In Subsidiary Adjustment that results from distibutions to non-controlling interest in subsidiary. Distributions to non-controlling interest in Kansas City Steak Company, LLC Redemption Of Patronage Notices Redemption of patronage notices Adjustment that results from redemption of patronage notices. Stock Issued During Period, Value, Purchase Of Assets Adjustment of purchase accounting net assets Noncontrolling Interest, Decrease From Deconsolidation Adjustment for deconsolidation of National Beef Packing Company, LLC Description Of Business [Abstract] Description Of Business [Abstract] Nature Of Operations [Text Block] Description of Business Basis Of Presentation and Significant Accounting Policies [Abstract] Basis Of Presentation and Significant Accounting Policies [Abstract] Basis Of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Accounting Policies Acquisitions [Abstract] Acquisitions [Abstract] Acquisitions Disclosures [Text Block] The entire disclosure for the acquisition of the ownership interests of minority owners in a subsidiary. Acquisitions Divestiture, Deconsolidation [Abstract] Divestiture, Deconsolidation [Abstract] Divestiture Deconsolidation Disclosures [Text Block] Divestiture, Deconsolidation The entire disclosure for sale of majority ownership interest in subsidiary. Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Long Term Debt and Loan Agreements Compensation and Retirement Disclosure [Abstract] Compensation and Retirement Disclosure [Abstract] Compensation and Employee Benefit Plans [Text Block] Employee Compensation and Benefits Other Income and Expenses [Abstract] Other Income and Expenses [Abstract] Other Income and Other Expense Disclosure [Text Block] Other Income Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Taxes Related Party Transactions [Abstract] Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related Party Transactions Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Disclosure About Derivative Instruments and Hedging Activities Stockholders Equity Note [Abstract] Stockholders' Equity Note [Abstract] Capital Shares and Equities [Text Block] The entire disclosure for limited liability company units and patronage notices, including initial and additional issuances and the economic benefits. Capital Shares and Equities Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] Noncontrolling Interest Disclosure [Text Block] Non-controlling Interest