3.21.2 html 156 277 1 false 55 0 false 12 false false R1.htm 0001001 - Document - Cover Page Sheet http://www.lonestarresources.com/role/CoverPage Cover Page Cover 1 false false R2.htm 1001002 - Statement - Unaudited Condensed Consolidated Balance Sheets Sheet http://www.lonestarresources.com/role/UnauditedCondensedConsolidatedBalanceSheets Unaudited Condensed Consolidated Balance Sheets Statements 2 false false R3.htm 1002003 - Statement - Unaudited Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.lonestarresources.com/role/UnauditedCondensedConsolidatedBalanceSheetsParenthetical Unaudited Condensed Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1003004 - Statement - Unaudited Condensed Consolidated Statements Of Operations Sheet http://www.lonestarresources.com/role/UnauditedCondensedConsolidatedStatementsOfOperations Unaudited Condensed Consolidated Statements Of Operations Statements 4 false false R5.htm 1004005 - Statement - Unaudited Condensed Consolidated Statements of Changes in Stockholders??? Equity (Deficit) Sheet http://www.lonestarresources.com/role/UnauditedCondensedConsolidatedStatementsofChangesinStockholdersEquityDeficit Unaudited Condensed Consolidated Statements of Changes in Stockholders??? Equity (Deficit) Statements 5 false false R6.htm 1005006 - Statement - Unaudited Condensed Consolidated Statements of Cash Flows Sheet http://www.lonestarresources.com/role/UnauditedCondensedConsolidatedStatementsofCashFlows Unaudited Condensed Consolidated Statements of Cash Flows Statements 6 false false R7.htm 2101101 - Disclosure - Basis of Presentation Sheet http://www.lonestarresources.com/role/BasisofPresentation Basis of Presentation Notes 7 false false R8.htm 2107102 - Disclosure - Derivative Instruments and Hedging Activities Sheet http://www.lonestarresources.com/role/DerivativeInstrumentsandHedgingActivities Derivative Instruments and Hedging Activities Notes 8 false false R9.htm 2111103 - Disclosure - Revenue Recognition Sheet http://www.lonestarresources.com/role/RevenueRecognition Revenue Recognition Notes 9 false false R10.htm 2115104 - Disclosure - Fair Value Measurements Sheet http://www.lonestarresources.com/role/FairValueMeasurements Fair Value Measurements Notes 10 false false R11.htm 2118105 - Disclosure - Accrued Liabilities Sheet http://www.lonestarresources.com/role/AccruedLiabilities Accrued Liabilities Notes 11 false false R12.htm 2121106 - Disclosure - Long-Term Debt Sheet http://www.lonestarresources.com/role/LongTermDebt Long-Term Debt Notes 12 false false R13.htm 2125107 - Disclosure - Stockholders??? Equity Sheet http://www.lonestarresources.com/role/StockholdersEquity Stockholders??? Equity Notes 13 false false R14.htm 2127108 - Disclosure - Stock-Based Compensation Sheet http://www.lonestarresources.com/role/StockBasedCompensation Stock-Based Compensation Notes 14 false false R15.htm 2132109 - Disclosure - Related Party Activities Sheet http://www.lonestarresources.com/role/RelatedPartyActivities Related Party Activities Notes 15 false false R16.htm 2134110 - Disclosure - Commitments and Contingencies Sheet http://www.lonestarresources.com/role/CommitmentsandContingencies Commitments and Contingencies Notes 16 false false R17.htm 2136111 - Disclosure - Subsequent Events Sheet http://www.lonestarresources.com/role/SubsequentEvents Subsequent Events Notes 17 false false R18.htm 2202201 - Disclosure - Basis of Presentation (Policies) Sheet http://www.lonestarresources.com/role/BasisofPresentationPolicies Basis of Presentation (Policies) Policies 18 false false R19.htm 2303301 - Disclosure - Basis of Presentation (Tables) Sheet http://www.lonestarresources.com/role/BasisofPresentationTables Basis of Presentation (Tables) Tables http://www.lonestarresources.com/role/BasisofPresentation 19 false false R20.htm 2308302 - Disclosure - Derivative Instruments and Hedging Activities (Tables) Sheet http://www.lonestarresources.com/role/DerivativeInstrumentsandHedgingActivitiesTables Derivative Instruments and Hedging Activities (Tables) Tables http://www.lonestarresources.com/role/DerivativeInstrumentsandHedgingActivities 20 false false R21.htm 2312303 - Disclosure - Revenue Recognition (Tables) Sheet http://www.lonestarresources.com/role/RevenueRecognitionTables Revenue Recognition (Tables) Tables http://www.lonestarresources.com/role/RevenueRecognition 21 false false R22.htm 2316304 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.lonestarresources.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.lonestarresources.com/role/FairValueMeasurements 22 false false R23.htm 2319305 - Disclosure - Accrued Liabilities (Tables) Sheet http://www.lonestarresources.com/role/AccruedLiabilitiesTables Accrued Liabilities (Tables) Tables http://www.lonestarresources.com/role/AccruedLiabilities 23 false false R24.htm 2322306 - Disclosure - Long-Term Debt (Tables) Sheet http://www.lonestarresources.com/role/LongTermDebtTables Long-Term Debt (Tables) Tables http://www.lonestarresources.com/role/LongTermDebt 24 false false R25.htm 2328307 - Disclosure - Stock-Based Compensation (Tables) Sheet http://www.lonestarresources.com/role/StockBasedCompensationTables Stock-Based Compensation (Tables) Tables http://www.lonestarresources.com/role/StockBasedCompensation 25 false false R26.htm 2404401 - Disclosure - Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) Sheet http://www.lonestarresources.com/role/BasisofPresentationScheduleofCashCashEquivalentsandRestrictedCashDetails Basis of Presentation - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) Details 26 false false R27.htm 2405402 - Disclosure - Basis of Presentation - Additional Information (Details) Sheet http://www.lonestarresources.com/role/BasisofPresentationAdditionalInformationDetails Basis of Presentation - Additional Information (Details) Details 27 false false R28.htm 2406403 - Disclosure - Basis of Presentation - Schedule of Potentially Dilute Earnings Per Share in Future Were Excluded in the Computation of Diluted Net (Loss) Income Per Share as They Were Anti-dilutive (Details) Sheet http://www.lonestarresources.com/role/BasisofPresentationScheduleofPotentiallyDiluteEarningsPerShareinFutureWereExcludedintheComputationofDilutedNetLossIncomePerShareasTheyWereAntidilutiveDetails Basis of Presentation - Schedule of Potentially Dilute Earnings Per Share in Future Were Excluded in the Computation of Diluted Net (Loss) Income Per Share as They Were Anti-dilutive (Details) Details 28 false false R29.htm 2409404 - Disclosure - Derivative Instruments and Hedging Activities - Schedule of Commodity Derivative Contracts (Details) Sheet http://www.lonestarresources.com/role/DerivativeInstrumentsandHedgingActivitiesScheduleofCommodityDerivativeContractsDetails Derivative Instruments and Hedging Activities - Schedule of Commodity Derivative Contracts (Details) Details 29 false false R30.htm 2410405 - Disclosure - Derivative Instruments and Hedging Activities - Additional Information (Details) Sheet http://www.lonestarresources.com/role/DerivativeInstrumentsandHedgingActivitiesAdditionalInformationDetails Derivative Instruments and Hedging Activities - Additional Information (Details) Details 30 false false R31.htm 2413406 - Disclosure - Revenue Recognition - Additional Information (Details) Sheet http://www.lonestarresources.com/role/RevenueRecognitionAdditionalInformationDetails Revenue Recognition - Additional Information (Details) Details 31 false false R32.htm 2414407 - Disclosure - Revenue Recognition - Revenue by product type (Details) Sheet http://www.lonestarresources.com/role/RevenueRecognitionRevenuebyproducttypeDetails Revenue Recognition - Revenue by product type (Details) Details 32 false false R33.htm 2417408 - Disclosure - Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Sheet http://www.lonestarresources.com/role/FairValueMeasurementsScheduleofAssetsandLiabilitiesMeasuredatFairValueonRecurringBasisDetails Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Details 33 false false R34.htm 2420409 - Disclosure - Accrued Liabilities - Schedule of Accrued Liabilities (Details) Sheet http://www.lonestarresources.com/role/AccruedLiabilitiesScheduleofAccruedLiabilitiesDetails Accrued Liabilities - Schedule of Accrued Liabilities (Details) Details 34 false false R35.htm 2423410 - Disclosure - Long-Term Debt - Schedule of Long-Term Debt Outstanding (Details) Sheet http://www.lonestarresources.com/role/LongTermDebtScheduleofLongTermDebtOutstandingDetails Long-Term Debt - Schedule of Long-Term Debt Outstanding (Details) Details 35 false false R36.htm 2424411 - Disclosure - Long-Term Debt - Additional Information (Details) Sheet http://www.lonestarresources.com/role/LongTermDebtAdditionalInformationDetails Long-Term Debt - Additional Information (Details) Details 36 false false R37.htm 2426412 - Disclosure - Stockholders??? Equity - Additional Information (Details) Sheet http://www.lonestarresources.com/role/StockholdersEquityAdditionalInformationDetails Stockholders??? Equity - Additional Information (Details) Details 37 false false R38.htm 2429413 - Disclosure - Stock-Based Compensation - Additional Information (Details) Sheet http://www.lonestarresources.com/role/StockBasedCompensationAdditionalInformationDetails Stock-Based Compensation - Additional Information (Details) Details 38 false false R39.htm 2430414 - Disclosure - Stock-Based Compensation - Schedule of Outstanding Restricted Stock Units (Details) Sheet http://www.lonestarresources.com/role/StockBasedCompensationScheduleofOutstandingRestrictedStockUnitsDetails Stock-Based Compensation - Schedule of Outstanding Restricted Stock Units (Details) Details 39 false false R40.htm 2431415 - Disclosure - Stock-Based Compensation - Fair Value Assumptions (Details) Sheet http://www.lonestarresources.com/role/StockBasedCompensationFairValueAssumptionsDetails Stock-Based Compensation - Fair Value Assumptions (Details) Details 40 false false R41.htm 2433416 - Disclosure - Related Party Activities - Additional Information (Details) Sheet http://www.lonestarresources.com/role/RelatedPartyActivitiesAdditionalInformationDetails Related Party Activities - Additional Information (Details) Details 41 false false R42.htm 2435417 - Disclosure - Commitments and Contingencies - Additional Information (Details) Sheet http://www.lonestarresources.com/role/CommitmentsandContingenciesAdditionalInformationDetails Commitments and Contingencies - Additional Information (Details) Details 42 false false R43.htm 2437418 - Disclosure - Subsequent Events - Additional Information (Details) Sheet http://www.lonestarresources.com/role/SubsequentEventsAdditionalInformationDetails Subsequent Events - Additional Information (Details) Details 43 false false All Reports Book All Reports lone-20210630.htm a630202110qexhibit311.htm a630202110qexhibit312.htm a630202110qexhibit321.htm a630202110qexhibit322.htm firstamendmentandborrowing.htm lone-20210630.xsd lone-20210630_cal.xml lone-20210630_def.xml lone-20210630_lab.xml lone-20210630_pre.xml http://fasb.org/srt/2021-01-31 http://xbrl.sec.gov/dei/2021 http://fasb.org/us-gaap/2021-01-31 true true