| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.8.0.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 293 </ContextCount> |
| <ElementCount> 362 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 102 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 17 </UnitCount> |
| <MyReports> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 0001000 - Document - Document and Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DocumentAndEntityInformation </Role> |
| | | <ShortName> Document and Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 1001000 - Statement - Consolidated Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedBalanceSheets </Role> |
| | | <ShortName> Consolidated Balance Sheets </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedBalanceSheetsParenthetical </Role> |
| | | <ShortName> Consolidated Balance Sheets (Parenthetical) </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 1002000 - Statement - Consolidated Statements of Operations and Comprehensive Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncome </Role> |
| | | <ShortName> Consolidated Statements of Operations and Comprehensive Income </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 1003000 - Statement - Consolidated Statement of Stockholders' Equity </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedStatementOfStockholdersEquity </Role> |
| | | <ShortName> Consolidated Statement of Stockholders' Equity </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 1004000 - Statement - Consolidated Statements of Partners' Capital </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedStatementsOfPartnersCapital </Role> |
| | | <ShortName> Consolidated Statements of Partners' Capital </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 1005000 - Statement - Consolidated Statements of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/ConsolidatedStatementsOfCashFlows </Role> |
| | | <ShortName> Consolidated Statements of Cash Flows </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 2101100 - Disclosure - Organization </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/Organization </Role> |
| | | <ShortName> Organization </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 2102100 - Disclosure - Summary of Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 2108100 - Disclosure - Investments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/Investments </Role> |
| | | <ShortName> Investments </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 2111100 - Disclosure - Debt </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/Debt </Role> |
| | | <ShortName> Debt </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 2113100 - Disclosure - Stockholders' Equity and Partners' Capital </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/StockholdersEquityAndPartnersCapital </Role> |
| | | <ShortName> Stockholders' Equity and Partners' Capital </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 2116100 - Disclosure - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/CommitmentsAndContingencies </Role> |
| | | <ShortName> Commitments and Contingencies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 2117100 - Disclosure - Fair Value Measurements </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurements </Role> |
| | | <ShortName> Fair Value Measurements </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 2118100 - Disclosure - Significant Credit and Revenue Concentration </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SignificantCreditAndRevenueConcentration </Role> |
| | | <ShortName> Significant Credit and Revenue Concentration </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 2121100 - Disclosure - Incentive Award Plan </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncentiveAwardPlan </Role> |
| | | <ShortName> Incentive Award Plan </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 2123100 - Disclosure - Income Per Share and Partnership Unit </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncomePerShareAndPartnershipUnit </Role> |
| | | <ShortName> Income Per Share and Partnership Unit </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 17 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 2126100 - Disclosure - Subsequent Events </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SubsequentEvents </Role> |
| | | <ShortName> Subsequent Events </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 18 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPoliciesPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 19 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 2302302 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPoliciesTables </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 20 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 2308301 - Disclosure - Investments (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsTables </Role> |
| | | <ShortName> Investments (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/Investments </ParentRole> |
| | | <Position> 21 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 2311301 - Disclosure - Debt (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtTables </Role> |
| | | <ShortName> Debt (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/Debt </ParentRole> |
| | | <Position> 22 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 2313301 - Disclosure - Stockholders' Equity and Partners' Capital (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/StockholdersEquityAndPartnersCapitalTables </Role> |
| | | <ShortName> Stockholders' Equity and Partners' Capital (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/StockholdersEquityAndPartnersCapital </ParentRole> |
| | | <Position> 23 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 2317301 - Disclosure - Fair Value Measurements (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurementsTables </Role> |
| | | <ShortName> Fair Value Measurements (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/FairValueMeasurements </ParentRole> |
| | | <Position> 24 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 2323301 - Disclosure - Income Per Share and Partnership Unit (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncomePerShareAndPartnershipUnitTables </Role> |
| | | <ShortName> Income Per Share and Partnership Unit (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/IncomePerShareAndPartnershipUnit </ParentRole> |
| | | <Position> 25 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 2401401 - Disclosure - Organization - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/OrganizationNarrativeDetails </Role> |
| | | <ShortName> Organization - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 26 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 2402403 - Disclosure - Summary of Significant Accounting Policies - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPoliciesNarrativeDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 27 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 2402404 - Disclosure - Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SummaryOfSignificantAccountingPoliciesScheduleOfCashCashEquivalentsAndRestrictedCashDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 28 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 2408402 - Disclosure - Investments - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsNarrativeDetails </Role> |
| | | <ShortName> Investments - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 29 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 2408403 - Disclosure - Investments - Summary of Real Estate and Loan Activity, Net of Accumulated Depreciation and Amortization (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsSummaryOfRealEstateAndLoanActivityNetOfAccumulatedDepreciationAndAmortizationDetails </Role> |
| | | <ShortName> Investments - Summary of Real Estate and Loan Activity, Net of Accumulated Depreciation and Amortization (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 30 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 2408404 - Disclosure - Investments - Summary of Real Estate and Loan Activity, Net of Accumulated Depreciation and Amortization (Footnote) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsSummaryOfRealEstateAndLoanActivityNetOfAccumulatedDepreciationAndAmortizationFootnoteDetails </Role> |
| | | <ShortName> Investments - Summary of Real Estate and Loan Activity, Net of Accumulated Depreciation and Amortization (Footnote) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 31 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 2408405 - Disclosure - Investments - Schedule of Minimum Future Contractual Rent to be Received (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsScheduleOfMinimumFutureContractualRentToBeReceivedDetails </Role> |
| | | <ShortName> Investments - Schedule of Minimum Future Contractual Rent to be Received (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 32 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 2408406 - Disclosure - Investments - Schedule of Loans Receivable, Net of Premium and Allowance for Loan Losses (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsScheduleOfLoansReceivableNetOfPremiumAndAllowanceForLoanLossesDetails </Role> |
| | | <ShortName> Investments - Schedule of Loans Receivable, Net of Premium and Allowance for Loan Losses (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 33 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 2408407 - Disclosure - Investments - Schedule of Lease Intangible Assets and Liabilities, Net of Accumulated Amortization (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsScheduleOfLeaseIntangibleAssetsAndLiabilitiesNetOfAccumulatedAmortizationDetails </Role> |
| | | <ShortName> Investments - Schedule of Lease Intangible Assets and Liabilities, Net of Accumulated Amortization (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 34 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 2408408 - Disclosure - Investments - Schedule of Components of Real Estate Investments Held Under Direct Financing Leases (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsScheduleOfComponentsOfRealEstateInvestmentsHeldUnderDirectFinancingLeasesDetails </Role> |
| | | <ShortName> Investments - Schedule of Components of Real Estate Investments Held Under Direct Financing Leases (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 35 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 2408409 - Disclosure - Investments - Schedule of Activity in Real Estate Assets Held for Sale (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsScheduleOfActivityInRealEstateAssetsHeldForSaleDetails </Role> |
| | | <ShortName> Investments - Schedule of Activity in Real Estate Assets Held for Sale (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 36 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 2408410 - Disclosure - Investments - Summary of Total Impairment Losses Recognized (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/InvestmentsSummaryOfTotalImpairmentLossesRecognizedDetails </Role> |
| | | <ShortName> Investments - Summary of Total Impairment Losses Recognized (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 37 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 2411402 - Disclosure - Debt - Summary of Debt (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtSummaryOfDebtDetails </Role> |
| | | <ShortName> Debt - Summary of Debt (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 38 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 2411403 - Disclosure - Debt - Revolving Credit Facilities - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtRevolvingCreditFacilitiesNarrativeDetails </Role> |
| | | <ShortName> Debt - Revolving Credit Facilities - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 39 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 2411404 - Disclosure - Debt - Term Loan - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtTermLoanNarrativeDetails </Role> |
| | | <ShortName> Debt - Term Loan - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 40 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 2411405 - Disclosure - Debt - Senior Unsecured Notes - Narrative (Details) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtSeniorUnsecuredNotesNarrativeDetails </Role> |
| | | <ShortName> Debt - Senior Unsecured Notes - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 41 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 2411406 - Disclosure - Debt - Summary of Debt - Master Trust Notes (Details) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtSummaryOfDebtMasterTrustNotesDetails </Role> |
| | | <ShortName> Debt - Summary of Debt - Master Trust Notes (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 42 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 2411407 - Disclosure - Debt - Master Trust Notes - Narrative (Details) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtMasterTrustNotesNarrativeDetails </Role> |
| | | <ShortName> Debt - Master Trust Notes - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 43 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 2411408 - Disclosure - Debt - CMBS - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtCmbsNarrativeDetails </Role> |
| | | <ShortName> Debt - CMBS - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 44 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 2411409 - Disclosure - Debt - Convertible Notes - Narrative (Details) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtConvertibleNotesNarrativeDetails </Role> |
| | | <ShortName> Debt - Convertible Notes - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 45 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 2411410 - Disclosure - Debt - Debt Extinguishment - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtDebtExtinguishmentNarrativeDetails </Role> |
| | | <ShortName> Debt - Debt Extinguishment - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 46 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 2411411 - Disclosure - Debt - Schedule of Debt Maturities (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtScheduleOfDebtMaturitiesDetails </Role> |
| | | <ShortName> Debt - Schedule of Debt Maturities (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 47 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 2411412 - Disclosure - Debt - Schedule of Debt Maturities (Footnote) (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtScheduleOfDebtMaturitiesFootnoteDetails </Role> |
| | | <ShortName> Debt - Schedule of Debt Maturities (Footnote) (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 48 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 2411413 - Disclosure - Debt - Summary of Components of Interest Expense Related to Borrowings (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/DebtSummaryOfComponentsOfInterestExpenseRelatedToBorrowingsDetails </Role> |
| | | <ShortName> Debt - Summary of Components of Interest Expense Related to Borrowings (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 49 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 2413402 - Disclosure - Stockholders' Equity and Partners' Capital - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/StockholdersEquityAndPartnersCapitalNarrativeDetails </Role> |
| | | <ShortName> Stockholders' Equity and Partners' Capital - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 50 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 2413403 - Disclosure - Stockholders' Equity and Partners' Capital - Summary of Dividends Declared (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/StockholdersEquityAndPartnersCapitalSummaryOfDividendsDeclaredDetails </Role> |
| | | <ShortName> Stockholders' Equity and Partners' Capital - Summary of Dividends Declared (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 51 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R52.htm </HtmlFileName> |
| | | <LongName> 2416401 - Disclosure - Commitments and Contingencies - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/CommitmentsAndContingenciesNarrativeDetails </Role> |
| | | <ShortName> Commitments and Contingencies - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 52 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R53.htm </HtmlFileName> |
| | | <LongName> 2417402 - Disclosure - Fair Value Measurements - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurementsNarrativeDetails </Role> |
| | | <ShortName> Fair Value Measurements - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 53 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R54.htm </HtmlFileName> |
| | | <LongName> 2417403 - Disclosure - Fair Value Measurements - Schedule of Assets at Fair Value on Nonrecurring Basis (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurementsScheduleOfAssetsAtFairValueOnNonrecurringBasisDetails </Role> |
| | | <ShortName> Fair Value Measurements - Schedule of Assets at Fair Value on Nonrecurring Basis (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 54 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R55.htm </HtmlFileName> |
| | | <LongName> 2417404 - Disclosure - Fair Value Measurements - Fair Value Inputs of Long-Lived Assets Held and Used and Held for Sale (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurementsFairValueInputsOfLongLivedAssetsHeldAndUsedAndHeldForSaleDetails </Role> |
| | | <ShortName> Fair Value Measurements - Fair Value Inputs of Long-Lived Assets Held and Used and Held for Sale (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 55 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R56.htm </HtmlFileName> |
| | | <LongName> 2417405 - Disclosure - Fair Value Measurements - Schedule of Carrying Amount And Estimated Fair Value Of Financial Instruments (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/FairValueMeasurementsScheduleOfCarryingAmountAndEstimatedFairValueOfFinancialInstrumentsDetails </Role> |
| | | <ShortName> Fair Value Measurements - Schedule of Carrying Amount And Estimated Fair Value Of Financial Instruments (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 56 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R57.htm </HtmlFileName> |
| | | <LongName> 2418401 - Disclosure - Significant Credit and Revenue Concentration - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SignificantCreditAndRevenueConcentrationNarrativeDetails </Role> |
| | | <ShortName> Significant Credit and Revenue Concentration - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 57 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R58.htm </HtmlFileName> |
| | | <LongName> 2421401 - Disclosure - Incentive Award Plan - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncentiveAwardPlanNarrativeDetails </Role> |
| | | <ShortName> Incentive Award Plan - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 58 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R59.htm </HtmlFileName> |
| | | <LongName> 2423402 - Disclosure - Income Per Share and Partnership Unit - Schedule of Reconciliation of the Numerator and Denominator Used in the Computation of Basic and Diluted Income Per Share (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncomePerShareAndPartnershipUnitScheduleOfReconciliationOfNumeratorAndDenominatorUsedInComputationOfBasicAndDilutedIncomePerShareDetails </Role> |
| | | <ShortName> Income Per Share and Partnership Unit - Schedule of Reconciliation of the Numerator and Denominator Used in the Computation of Basic and Diluted Income Per Share (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 59 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R60.htm </HtmlFileName> |
| | | <LongName> 2423403 - Disclosure - Income Per Share and Partnership Unit - Narrative (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/IncomePerShareAndPartnershipUnitNarrativeDetails </Role> |
| | | <ShortName> Income Per Share and Partnership Unit - Narrative (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <Position> 60 </Position> |
| | | </Report> |
| | <Report instance="src-20180331.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R61.htm </HtmlFileName> |
| | | <LongName> 2426401 - Disclosure - Subsequent Events - (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.spiritrealty.com/role/SubsequentEventsDetails </Role> |
| | | <ShortName> Subsequent Events - (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://www.spiritrealty.com/role/SubsequentEvents </ParentRole> |
| | | <Position> 61 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> src-20180331.xml </File> |
| | <File> src-20180331.xsd </File> |
| | <File> src-20180331_cal.xml </File> |
| | <File> src-20180331_def.xml </File> |
| | <File> src-20180331_lab.xml </File> |
| | <File> src-20180331_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies> |
| | <BaseTaxonomy> http://fasb.org/us-gaap/2017-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.sec.gov/invest/2013-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.sec.gov/dei/2014-01-31 </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |