3.3.1.900 html 324 478 1 false 85 0 false 8 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.ussilica.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.ussilica.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 3 false false R4.htm 1003000 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 4 false false R5.htm 1003501 - Statement - Consolidated Statements of Comprehensive Income (Parenthetical) Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical Consolidated Statements of Comprehensive Income (Parenthetical) Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statements of Stockholders' Equity Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfStockholdersEquity Consolidated Statements of Stockholders' Equity Statements 6 false false R7.htm 1004501 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical) Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfStockholdersEquityParenthetical Consolidated Statements of Stockholders' Equity (Parenthetical) Statements 7 false false R8.htm 1005000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.ussilica.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 2101100 - Disclosure - Organization Sheet http://www.ussilica.com/role/Organization Organization Notes 9 false false R10.htm 2102100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 10 false false R11.htm 2104100 - Disclosure - Capital Structure and Accumulated Comprehensive Income Sheet http://www.ussilica.com/role/CapitalStructureAndAccumulatedComprehensiveIncome Capital Structure and Accumulated Comprehensive Income Notes 11 false false R12.htm 2105100 - Disclosure - Business Combinations Sheet http://www.ussilica.com/role/BusinessCombinations Business Combinations Notes 12 false false R13.htm 2106100 - Disclosure - Accounts Receivable Sheet http://www.ussilica.com/role/AccountsReceivable Accounts Receivable Notes 13 false false R14.htm 2107100 - Disclosure - Inventories Sheet http://www.ussilica.com/role/Inventories Inventories Notes 14 false false R15.htm 2109100 - Disclosure - Property, Plant and Mine Development Sheet http://www.ussilica.com/role/PropertyPlantAndMineDevelopment Property, Plant and Mine Development Notes 15 false false R16.htm 2110100 - Disclosure - Accrued Liabilities Sheet http://www.ussilica.com/role/AccruedLiabilities Accrued Liabilities Notes 16 false false R17.htm 2111100 - Disclosure - Debt Sheet http://www.ussilica.com/role/Debt Debt Notes 17 false false R18.htm 2112100 - Disclosure - Deferred Revenue Sheet http://www.ussilica.com/role/DeferredRevenue Deferred Revenue Notes 18 false false R19.htm 2113100 - Disclosure - Fair Value Accounting Sheet http://www.ussilica.com/role/FairValueAccounting Fair Value Accounting Notes 19 false false R20.htm 2114100 - Disclosure - Short-Term Investments Sheet http://www.ussilica.com/role/ShortTermInvestments Short-Term Investments Notes 20 false false R21.htm 2115100 - Disclosure - Derivative Instruments Sheet http://www.ussilica.com/role/DerivativeInstruments Derivative Instruments Notes 21 false false R22.htm 2116100 - Disclosure - Equity-Based Compensation Sheet http://www.ussilica.com/role/EquityBasedCompensation Equity-Based Compensation Notes 22 false false R23.htm 2118100 - Disclosure - Commitments and Contingencies Sheet http://www.ussilica.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 23 false false R24.htm 2119100 - Disclosure - Income Taxes Sheet http://www.ussilica.com/role/IncomeTaxes Income Taxes Notes 24 false false R25.htm 2128100 - Disclosure - Pension and Post-Retirement Benefits Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefits Pension and Post-Retirement Benefits Notes 25 false false R26.htm 2129100 - Disclosure - Obligations Under Guarantees Sheet http://www.ussilica.com/role/ObligationsUnderGuarantees Obligations Under Guarantees Notes 26 false false R27.htm 2131100 - Disclosure - Segment Reporting Sheet http://www.ussilica.com/role/SegmentReporting Segment Reporting Notes 27 false false R28.htm 2132100 - Disclosure - Unaudited Supplementary Data Sheet http://www.ussilica.com/role/UnauditedSupplementaryData Unaudited Supplementary Data Notes 28 false false R29.htm 2133100 - Disclosure - Subsequent Events Sheet http://www.ussilica.com/role/SubsequentEvents Subsequent Events Notes 29 false false R30.htm 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.ussilica.com/role/SummaryOfSignificantAccountingPolicies 30 false false R31.htm 2302302 - Disclosure - Summary of Significant Accounting Policies (Tables) Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies (Tables) Tables http://www.ussilica.com/role/SummaryOfSignificantAccountingPolicies 31 false false R32.htm 2304301 - Disclosure - Capital Structure and Accumulated Comprehensive Income (Tables) Sheet http://www.ussilica.com/role/CapitalStructureAndAccumulatedComprehensiveIncomeTables Capital Structure and Accumulated Comprehensive Income (Tables) Tables http://www.ussilica.com/role/CapitalStructureAndAccumulatedComprehensiveIncome 32 false false R33.htm 2305301 - Disclosure - Business Combinations (Tables) Sheet http://www.ussilica.com/role/BusinessCombinationsTables Business Combinations (Tables) Tables http://www.ussilica.com/role/BusinessCombinations 33 false false R34.htm 2306301 - Disclosure - Accounts Receivable (Tables) Sheet http://www.ussilica.com/role/AccountsReceivableTables Accounts Receivable (Tables) Tables http://www.ussilica.com/role/AccountsReceivable 34 false false R35.htm 2307301 - Disclosure - Inventories (Tables) Sheet http://www.ussilica.com/role/InventoriesTables Inventories (Tables) Tables http://www.ussilica.com/role/Inventories 35 false false R36.htm 2309301 - Disclosure - Property, Plant and Mine Development (Tables) Sheet http://www.ussilica.com/role/PropertyPlantAndMineDevelopmentTables Property, Plant and Mine Development (Tables) Tables http://www.ussilica.com/role/PropertyPlantAndMineDevelopment 36 false false R37.htm 2310301 - Disclosure - Accrued Liabilities (Tables) Sheet http://www.ussilica.com/role/AccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://www.ussilica.com/role/AccruedLiabilities 37 false false R38.htm 2311301 - Disclosure - Debt (Tables) Sheet http://www.ussilica.com/role/DebtTables Debt (Tables) Tables http://www.ussilica.com/role/Debt 38 false false R39.htm 2313301 - Disclosure - Fair Value Accounting (Tables) Sheet http://www.ussilica.com/role/FairValueAccountingTables Fair Value Accounting (Tables) Tables http://www.ussilica.com/role/FairValueAccounting 39 false false R40.htm 2314301 - Disclosure - Short-Term Investments (Tables) Sheet http://www.ussilica.com/role/ShortTermInvestmentsTables Short-Term Investments (Tables) Tables http://www.ussilica.com/role/ShortTermInvestments 40 false false R41.htm 2315301 - Disclosure - Derivative Instruments (Tables) Sheet http://www.ussilica.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) Tables http://www.ussilica.com/role/DerivativeInstruments 41 false false R42.htm 2316301 - Disclosure - Equity-Based Compensation (Tables) Sheet http://www.ussilica.com/role/EquityBasedCompensationTables Equity-Based Compensation (Tables) Tables http://www.ussilica.com/role/EquityBasedCompensation 42 false false R43.htm 2318301 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.ussilica.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://www.ussilica.com/role/CommitmentsAndContingencies 43 false false R44.htm 2319301 - Disclosure - Income Taxes (Tables) Sheet http://www.ussilica.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.ussilica.com/role/IncomeTaxes 44 false false R45.htm 2328301 - Disclosure - Pension and Post-Retirement Benefits (Tables) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsTables Pension and Post-Retirement Benefits (Tables) Tables http://www.ussilica.com/role/PensionAndPostRetirementBenefits 45 false false R46.htm 2331301 - Disclosure - Segment Reporting (Tables) Sheet http://www.ussilica.com/role/SegmentReportingTables Segment Reporting (Tables) Tables http://www.ussilica.com/role/SegmentReporting 46 false false R47.htm 2332301 - Disclosure - Unaudited Supplementary Data (Tables) Sheet http://www.ussilica.com/role/UnauditedSupplementaryDataTables Unaudited Supplementary Data (Tables) Tables http://www.ussilica.com/role/UnauditedSupplementaryData 47 false false R48.htm 2401401 - Disclosure - Organization - (Detail) Sheet http://www.ussilica.com/role/OrganizationDetail Organization - (Detail) Details http://www.ussilica.com/role/Organization 48 false false R49.htm 2402403 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of Significant Accounting Policies - Additional Information (Detail) Details 49 false false R50.htm 2402404 - Disclosure - Summary of Significant Accounting Policies - Equity-Based Compensation (Details) Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPoliciesEquityBasedCompensationDetails Summary of Significant Accounting Policies - Equity-Based Compensation (Details) Details 50 false false R51.htm 2402405 - Disclosure - Summary of Significant Accounting Policies - Change in Asset Retirement Obligation (Detail) Sheet http://www.ussilica.com/role/SummaryOfSignificantAccountingPoliciesChangeInAssetRetirementObligationDetail Summary of Significant Accounting Policies - Change in Asset Retirement Obligation (Detail) Details 51 false false R52.htm 2403402 - Disclosure - Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Detail) Sheet http://www.ussilica.com/role/EarningsPerShareScheduleOfBasicAndDilutedEarningsPerShareDetail Earnings Per Share - Schedule of Basic and Diluted Earnings Per Share (Detail) Details 52 false false R53.htm 2403403 - Disclosure - Earnings Per Share Earnings Per Share - Antidilutive Securities Excluded from EPS Calculation (Details) Sheet http://www.ussilica.com/role/EarningsPerShareEarningsPerShareAntidilutiveSecuritiesExcludedFromEpsCalculationDetails Earnings Per Share Earnings Per Share - Antidilutive Securities Excluded from EPS Calculation (Details) Details 53 false false R54.htm 2404402 - Disclosure - Capital Structure and Accumulated Comprehensive Income - Additional Information (Detail) Sheet http://www.ussilica.com/role/CapitalStructureAndAccumulatedComprehensiveIncomeAdditionalInformationDetail Capital Structure and Accumulated Comprehensive Income - Additional Information (Detail) Details 54 false false R55.htm 2404403 - Disclosure - Capital Structure and Accumulated Comprehensive Income - Changes in Accumulated Other Comprehensive Income (Detail) Sheet http://www.ussilica.com/role/CapitalStructureAndAccumulatedComprehensiveIncomeChangesInAccumulatedOtherComprehensiveIncomeDetail Capital Structure and Accumulated Comprehensive Income - Changes in Accumulated Other Comprehensive Income (Detail) Details 55 false false R56.htm 2405402 - Disclosure - Business Combinations - Additional Information (Detail) Sheet http://www.ussilica.com/role/BusinessCombinationsAdditionalInformationDetail Business Combinations - Additional Information (Detail) Details 56 false false R57.htm 2405403 - Disclosure - Business Combinations - Summary of Assets Acquired and Liabilities Assumes (Details) Sheet http://www.ussilica.com/role/BusinessCombinationsSummaryOfAssetsAcquiredAndLiabilitiesAssumesDetails Business Combinations - Summary of Assets Acquired and Liabilities Assumes (Details) Details 57 false false R58.htm 2405404 - Disclosure - Business Combinations - Acquired Intangibles (Details) Sheet http://www.ussilica.com/role/BusinessCombinationsAcquiredIntangiblesDetails Business Combinations - Acquired Intangibles (Details) Details 58 false false R59.htm 2405405 - Disclosure - Business Combinations - Pro Forma Information (Details) Sheet http://www.ussilica.com/role/BusinessCombinationsProFormaInformationDetails Business Combinations - Pro Forma Information (Details) Details 59 false false R60.htm 2406402 - Disclosure - Accounts Receivable - Additional Information (Detail) Sheet http://www.ussilica.com/role/AccountsReceivableAdditionalInformationDetail Accounts Receivable - Additional Information (Detail) Details 60 false false R61.htm 2406403 - Disclosure - Accounts Receivable - Schedule of Accounts Receivable (Detail) Sheet http://www.ussilica.com/role/AccountsReceivableScheduleOfAccountsReceivableDetail Accounts Receivable - Schedule of Accounts Receivable (Detail) Details 61 false false R62.htm 2406404 - Disclosure - Accounts Receivable - Allowance for Doubtful Accounts (Details) Sheet http://www.ussilica.com/role/AccountsReceivableAllowanceForDoubtfulAccountsDetails Accounts Receivable - Allowance for Doubtful Accounts (Details) Details 62 false false R63.htm 2407402 - Disclosure - Inventories - Schedule of Inventories (Detail) Sheet http://www.ussilica.com/role/InventoriesScheduleOfInventoriesDetail Inventories - Schedule of Inventories (Detail) Details 63 false false R64.htm 2409402 - Disclosure - Property, Plant and Mine Development - Additional Information (Detail) Sheet http://www.ussilica.com/role/PropertyPlantAndMineDevelopmentAdditionalInformationDetail Property, Plant and Mine Development - Additional Information (Detail) Details 64 false false R65.htm 2409403 - Disclosure - Property, Plant and Mine Development - Schedule of Property, Plant and Mine Development (Detail) Sheet http://www.ussilica.com/role/PropertyPlantAndMineDevelopmentScheduleOfPropertyPlantAndMineDevelopmentDetail Property, Plant and Mine Development - Schedule of Property, Plant and Mine Development (Detail) Details 65 false false R66.htm 2410402 - Disclosure - Accrued Liabilities - Schedule of Accrued Liabilities (Detail) Sheet http://www.ussilica.com/role/AccruedLiabilitiesScheduleOfAccruedLiabilitiesDetail Accrued Liabilities - Schedule of Accrued Liabilities (Detail) Details 66 false false R67.htm 2411402 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.ussilica.com/role/DebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 67 false false R68.htm 2411403 - Disclosure - Debt - Schedule of Debt (Detail) Sheet http://www.ussilica.com/role/DebtScheduleOfDebtDetail Debt - Schedule of Debt (Detail) Details 68 false false R69.htm 2411404 - Disclosure - Debt - Schedule of Contractual Maturities of Debt (Detail) Sheet http://www.ussilica.com/role/DebtScheduleOfContractualMaturitiesOfDebtDetail Debt - Schedule of Contractual Maturities of Debt (Detail) Details 69 false false R70.htm 2411405 - Disclosure - Debt - Schedule of Debt (Phantom) (Detail) Sheet http://www.ussilica.com/role/DebtScheduleOfDebtPhantomDetail Debt - Schedule of Debt (Phantom) (Detail) Details 70 false false R71.htm 2412401 - Disclosure - Deferred Revenue (Detail) Sheet http://www.ussilica.com/role/DeferredRevenueDetail Deferred Revenue (Detail) Details http://www.ussilica.com/role/DeferredRevenue 71 false false R72.htm 2413402 - Disclosure - Fair Value Accounting - Schedule of Measure at Fair Value on Recurring Basis (Detail) Sheet http://www.ussilica.com/role/FairValueAccountingScheduleOfMeasureAtFairValueOnRecurringBasisDetail Fair Value Accounting - Schedule of Measure at Fair Value on Recurring Basis (Detail) Details 72 false false R73.htm 2414402 - Disclosure - Short-Term Investments - Schedule of Available-for-Sale Short-Term Investments (Detail) Sheet http://www.ussilica.com/role/ShortTermInvestmentsScheduleOfAvailableForSaleShortTermInvestmentsDetail Short-Term Investments - Schedule of Available-for-Sale Short-Term Investments (Detail) Details 73 false false R74.htm 2415402 - Disclosure - Derivative Instruments - Additional Information (Detail) Sheet http://www.ussilica.com/role/DerivativeInstrumentsAdditionalInformationDetail Derivative Instruments - Additional Information (Detail) Details 74 false false R75.htm 2415403 - Disclosure - Derivative Instruments - Estimated Fair Values of Derivative Instruments (Detail) Sheet http://www.ussilica.com/role/DerivativeInstrumentsEstimatedFairValuesOfDerivativeInstrumentsDetail Derivative Instruments - Estimated Fair Values of Derivative Instruments (Detail) Details 75 false false R76.htm 2415404 - Disclosure - Derivative Instruments - Effect of Derivatives Instruments on Combined Statements of Operations and Comprehensive Income (Detail) Sheet http://www.ussilica.com/role/DerivativeInstrumentsEffectOfDerivativesInstrumentsOnCombinedStatementsOfOperationsAndComprehensiveIncomeDetail Derivative Instruments - Effect of Derivatives Instruments on Combined Statements of Operations and Comprehensive Income (Detail) Details 76 false false R77.htm 2416402 - Disclosure - Equity-Based Compensation - Additional Information (Detail) Sheet http://www.ussilica.com/role/EquityBasedCompensationAdditionalInformationDetail Equity-Based Compensation - Additional Information (Detail) Details 77 false false R78.htm 2416403 - Disclosure - Equity-Based Compensation - Summary of Activity with Respect to Stock Options (Detail) Sheet http://www.ussilica.com/role/EquityBasedCompensationSummaryOfActivityWithRespectToStockOptionsDetail Equity-Based Compensation - Summary of Activity with Respect to Stock Options (Detail) Details 78 false false R79.htm 2416404 - Disclosure - Equity-Based Compensation - Restricted Stock Activity (Details) Sheet http://www.ussilica.com/role/EquityBasedCompensationRestrictedStockActivityDetails Equity-Based Compensation - Restricted Stock Activity (Details) Details 79 false false R80.htm 2418402 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.ussilica.com/role/CommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 80 false false R81.htm 2418403 - Disclosure - Commitments and Contingencies - Contractual Obligations (Details) Sheet http://www.ussilica.com/role/CommitmentsAndContingenciesContractualObligationsDetails Commitments and Contingencies - Contractual Obligations (Details) Details 81 false false R82.htm 2419402 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.ussilica.com/role/IncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 82 false false R83.htm 2419403 - Disclosure - Income Taxes - Summary of Income Tax (Expense) Benefit (Detail) Sheet http://www.ussilica.com/role/IncomeTaxesSummaryOfIncomeTaxExpenseBenefitDetail Income Taxes - Summary of Income Tax (Expense) Benefit (Detail) Details 83 false false R84.htm 2419404 - Disclosure - Income Taxes - Summary of Tax Effects on Deferred Tax Assets and Liabilities (Detail) Sheet http://www.ussilica.com/role/IncomeTaxesSummaryOfTaxEffectsOnDeferredTaxAssetsAndLiabilitiesDetail Income Taxes - Summary of Tax Effects on Deferred Tax Assets and Liabilities (Detail) Details 84 false false R85.htm 2419405 - Disclosure - Income Taxes - Operating Loss Carryforwards (Details) Sheet http://www.ussilica.com/role/IncomeTaxesOperatingLossCarryforwardsDetails Income Taxes - Operating Loss Carryforwards (Details) Details 85 false false R86.htm 2419406 - Disclosure - Income Taxes - Summary of Effective Income Tax Rate on Pretax Earnings (Detail) Sheet http://www.ussilica.com/role/IncomeTaxesSummaryOfEffectiveIncomeTaxRateOnPretaxEarningsDetail Income Taxes - Summary of Effective Income Tax Rate on Pretax Earnings (Detail) Details 86 false false R87.htm 2428402 - Disclosure - Pension and Post-Retirement Benefits - Additional Information (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsAdditionalInformationDetail Pension and Post-Retirement Benefits - Additional Information (Detail) Details 87 false false R88.htm 2428403 - Disclosure - Pension and Post-Retirement Benefits - Summarizes Information about Pension and Post-Retirement Benefit Plans (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsSummarizesInformationAboutPensionAndPostRetirementBenefitPlansDetail Pension and Post-Retirement Benefits - Summarizes Information about Pension and Post-Retirement Benefit Plans (Detail) Details 88 false false R89.htm 2428404 - Disclosure - Pension and Post-Retirement Benefits - Changes in Benefit Obligations and Plan Assets (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsChangesInBenefitObligationsAndPlanAssetsDetail Pension and Post-Retirement Benefits - Changes in Benefit Obligations and Plan Assets (Detail) Details 89 false false R90.htm 2428405 - Disclosure - Pension and Post-Retirement Benefits - Estimated Future Pension and Post-Retirement Benefit Payments (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsEstimatedFuturePensionAndPostRetirementBenefitPaymentsDetail Pension and Post-Retirement Benefits - Estimated Future Pension and Post-Retirement Benefit Payments (Detail) Details 90 false false R91.htm 2428406 - Disclosure - Pension and Post-Retirement Benefits - Amounts in Accumulated Other Comprehensive Income Expected to be Recognized as Components of Net Periodic Benefit Cost (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsAmountsInAccumulatedOtherComprehensiveIncomeExpectedToBeRecognizedAsComponentsOfNetPeriodicBenefitCostDetail Pension and Post-Retirement Benefits - Amounts in Accumulated Other Comprehensive Income Expected to be Recognized as Components of Net Periodic Benefit Cost (Detail) Details 91 false false R92.htm 2428407 - Disclosure - Pension and Post-Retirement Benefits - Company's Obligations Determined under Weighted-Average Assumptions (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsCompanysObligationsDeterminedUnderWeightedAverageAssumptionsDetail Pension and Post-Retirement Benefits - Company's Obligations Determined under Weighted-Average Assumptions (Detail) Details 92 false false R93.htm 2428408 - Disclosure - Pension and Post-Retirement Benefits - Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesDetail Pension and Post-Retirement Benefits - Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates (Detail) Details 93 false false R94.htm 2428409 - Disclosure - Pension and Post-Retirement Benefits - Fair Value of Pension Plan Assets (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsFairValueOfPensionPlanAssetsDetail Pension and Post-Retirement Benefits - Fair Value of Pension Plan Assets (Detail) Details 94 false false R95.htm 2428410 - Disclosure - Pension and Post-Retirement Benefits - Fair Value of Pension Plan Assets, by Asset Category (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsFairValueOfPensionPlanAssetsByAssetCategoryDetail Pension and Post-Retirement Benefits - Fair Value of Pension Plan Assets, by Asset Category (Detail) Details 95 false false R96.htm 2428411 - Disclosure - Pension and Post-Retirement Benefits - Summary of Multiemployer Pension Plan (Detail) Sheet http://www.ussilica.com/role/PensionAndPostRetirementBenefitsSummaryOfMultiemployerPensionPlanDetail Pension and Post-Retirement Benefits - Summary of Multiemployer Pension Plan (Detail) Details 96 false false R97.htm 2429401 - Disclosure - Obligations Under Guarantees (Detail) Sheet http://www.ussilica.com/role/ObligationsUnderGuaranteesDetail Obligations Under Guarantees (Detail) Details http://www.ussilica.com/role/ObligationsUnderGuarantees 97 false false R98.htm 2431402 - Disclosure - Segment Reporting - Additional Information (Detail) Sheet http://www.ussilica.com/role/SegmentReportingAdditionalInformationDetail Segment Reporting - Additional Information (Detail) Details 98 false false R99.htm 2431403 - Disclosure - Segment Reporting - Presentation of Sales and Segment Contribution Margin for Reporting Segments and Other Operating Results (Detail) Sheet http://www.ussilica.com/role/SegmentReportingPresentationOfSalesAndSegmentContributionMarginForReportingSegmentsAndOtherOperatingResultsDetail Segment Reporting - Presentation of Sales and Segment Contribution Margin for Reporting Segments and Other Operating Results (Detail) Details 99 false false R100.htm 2432402 - Disclosure - Unaudited Supplementary Data (Detail) Sheet http://www.ussilica.com/role/UnauditedSupplementaryDataDetail Unaudited Supplementary Data (Detail) Details http://www.ussilica.com/role/UnauditedSupplementaryDataTables 100 false false R101.htm 2433401 - Disclosure - Subsequent Events (Detail) Sheet http://www.ussilica.com/role/SubsequentEventsDetail Subsequent Events (Detail) Details http://www.ussilica.com/role/SubsequentEvents 101 false false R9999.htm Uncategorized Items - slca-20151231.xml Sheet http://xbrl.sec.gov/role/uncategorizedFacts Uncategorized Items - slca-20151231.xml Cover 102 false false All Reports Book All Reports slca-20151231.xml slca-20151231.xsd slca-20151231_cal.xml slca-20151231_def.xml slca-20151231_lab.xml slca-20151231_pre.xml true true