2.4.0.82408401 - Disclosure - Notes Payable and Line of Credit (Details)truefalsefalse1false USDfalsefalse$I2013Q2http://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$I2012Q4http://www.sec.gov/CIK0001308606instant2012-12-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseFixed rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDtruefalse$D2013Q2YTD_us-gaap_DebtInstrumentAxis_spirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMember_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseFixed rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseNotes payable, fixed and variable rate debt maturing from September 2014 to August 2031us-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMemberus-gaap_DebtInstrumentAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170numberStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$5false truefalseI2013Q2_us-gaap_DebtInstrumentAxis_spirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMember_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMember_us-gaap_RangeAxis_us-gaap_MinimumMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseFixed rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseNotes payable, fixed and variable rate debt maturing from September 2014 to August 2031us-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMemberus-gaap_DebtInstrumentAxisexplicitMemberfalsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli06false truefalseI2013Q2_us-gaap_DebtInstrumentAxis_spirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMember_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMember_us-gaap_RangeAxis_us-gaap_MaximumMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseFixed rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingFixedAndVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseNotes payable, fixed and variable rate debt maturing from September 2014 to August 2031us-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMemberus-gaap_DebtInstrumentAxisexplicitMemberfalsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli07false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingVariableInterestSwappedForFixedInterestAmountMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseLong-Term Debt, Percentage Bearing Variable Interest Swapped For Fixed Interest, Amount [Member]us-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingVariableInterestSwappedForFixedInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$8false USDtruefalse$I2013Q2_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingVariableInterestAmountMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseVariable rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9false truefalseD2013Q2YTD_us-gaap_DebtInstrumentAxis_spirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMember_us-gaap_LongtermDebtTypeAxis_spirit_LongTermDebtPercentageBearingVariableInterestAmountMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseVariable rate debtus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LongTermDebtPercentageBearingVariableInterestAmountMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseNotes payable, fixed and variable rate debt maturing from September 2014 to August 2031us-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_NotesPayableFixedAndVariableRateDebtMaturingFromSeptember2014toAugust2031MemberMemberus-gaap_DebtInstrumentAxisexplicitMemberfalsefalseLIBORus-gaap_VariableRateAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LondonInterbankOfferedRateLIBORMemberus-gaap_VariableRateAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli010false USDtruefalse$D2013Q2YTD_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170numberStandardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$11false USDtruefalse$I2013Q2_us-gaap_CreditFacilityAxis_spirit_TermLoanMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseTerm loanus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldispirit_TermLoanMemberus-gaap_CreditFacilityAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12false truefalseD2013Q2YTD_us-gaap_CreditFacilityAxis_spirit_TermLoanMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMember_us-gaap_RangeAxis_us-gaap_MinimumMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseTerm loanus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldispirit_TermLoanMemberus-gaap_CreditFacilityAxisexplicitMemberfalsefalseLIBORus-gaap_VariableRateAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LondonInterbankOfferedRateLIBORMemberus-gaap_VariableRateAxisexplicitMemberfalsefalseMinimumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MinimumMemberus-gaap_RangeAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli013false truefalseD2013Q2YTD_us-gaap_CreditFacilityAxis_spirit_TermLoanMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMember_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseTerm loanus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldispirit_TermLoanMemberus-gaap_CreditFacilityAxisexplicitMemberfalsefalseLIBORus-gaap_VariableRateAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LondonInterbankOfferedRateLIBORMemberus-gaap_VariableRateAxisexplicitMemberfalsefalseMaximumus-gaap_RangeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_MaximumMemberus-gaap_RangeAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli014false USDtruefalse$I2013Q2_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMemberhttp://www.sec.gov/CIK0001308606instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseRevolving credit facilityus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_RevolvingCreditFacilityMemberus-gaap_CreditFacilityAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli0usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$15false truefalseI2011Q1February24th_us-gaap_CreditFacilityAxis_spirit_TermLoanMember_us-gaap_DebtInstrumentAxis_spirit_FixedRateDebtVariableRateDebtFixedThroughUseOfInterestRateSwapsMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMember_us-gaap_VariableRateAxis_us-gaap_LondonInterbankOfferedRateLIBORMemberhttp://www.sec.gov/CIK0001308606instant2011-02-24T00:00:000001-01-01T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseFixed rate debt, variable rate debt fixed through the use of interest rate swapsus-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_FixedRateDebtVariableRateDebtFixedThroughUseOfInterestRateSwapsMemberus-gaap_DebtInstrumentAxisexplicitMemberfalsefalseTerm loanus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldispirit_TermLoanMemberus-gaap_CreditFacilityAxisexplicitMemberfalsefalseLIBORus-gaap_VariableRateAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LondonInterbankOfferedRateLIBORMemberus-gaap_VariableRateAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli016false truefalseD2013Q2YTD_us-gaap_CreditFacilityAxis_spirit_TermLoanMember_us-gaap_DebtInstrumentAxis_spirit_LeverageRatioOfCompanyMember_us-gaap_LongtermDebtTypeAxis_us-gaap_LineOfCreditMemberhttp://www.sec.gov/CIK0001308606duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseCredit facilityus-gaap_LongtermDebtTypeAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_LineOfCreditMemberus-gaap_LongtermDebtTypeAxisexplicitMemberfalsefalseCompany leverage ratious-gaap_DebtInstrumentAxisxbrldihttp://xbrl.org/2006/xbrldispirit_LeverageRatioOfCompanyMemberus-gaap_DebtInstrumentAxisexplicitMemberfalsefalseTerm loanus-gaap_CreditFacilityAxisxbrldihttp://xbrl.org/2006/xbrldispirit_TermLoanMemberus-gaap_CreditFacilityAxisexplicitMembernumberStandardhttp://www.xbrl.org/2003/instancepurexbrli01true 3us-gaap_DebtInstrumentLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Debt Instrument [Line Items]2false 4spirit_NotesPayableAndLineOfCreditspirit_falsecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse17558320001755832000USD$falsetruefalse2truefalsefalse17573220001757322000USD$falsetruefalse3truefalsefalse14000000001400000000USD$falsetruefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse7750000077500000USD$falsetruefalse8truefalsefalse43000004300000USD$falsetruefalse9falsefalsefalse00falsefalsefalse10truefalsefalse319100000319100000USD$falsetruefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryIncluding the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer, and the carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount.No definition available.false2Notes payable and line of credit3false 4spirit_GrossRealEstateAndRelatedAssetsSecuringDebtspirit_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse25000000002500000000falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse637600000637600000falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount of gross real estate and related assets, net of gross intangible lease liabilities, securing the total debt outstanding.No definition available.false2Gross real estate and related assets securing debt4false 4us-gaap_DebtWeightedAverageInterestRateus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4truetruefalse0.05680.0568falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10truetruefalse0.05530.0553falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14truetruefalse0.05750.0575falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalsenum:percentItemTypepureWeighted average interest rate of debt outstanding.No definition available.false0Debt, weighted average interest rate5false 4spirit_DebtInstrumentWeightedAverageYearsToMaturityspirit_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse003 years 1 month 6 daysfalsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:durationItemTypenaThe weighted average number of years to maturity.No definition available.false0Debt instrument, weighted average years to maturity6false 4us-gaap_LongTermDebtPercentageBearingFixedInterestRateus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5truetruefalse0.03150.0315falsefalsefalse6truetruefalse0.07220.0722falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16falsetruefalse00falsefalsefalsenum:percentItemTypepureThe interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 false0Fixed rate debt, interest rate7false 4us-gaap_DebtInstrumentBasisSpreadOnVariableRate1us-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9truetruefalse0.02750.0275falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12truetruefalse0.02750.0275falsefalsefalse13truetruefalse0.04000.0400falsefalsefalse14falsetruefalse00falsefalsefalse15falsetruefalse00falsefalsefalse16truetruefalse0.03500.0350falsefalsefalsenum:percentItemTypepurePercentage points added to the reference rate to compute the variable rate on the debt instrument.No definition available.false0Basis spread8false 4us-gaap_RepaymentsOfDebtus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4truefalsefalse24000002400000falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.No definition available.false2Debt repayments9true 4spirit_SeniorUnsecuredCreditFacilityAbstractspirit_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Senior unsecured credit facility [Abstract]10false 5us-gaap_LineOfCreditFacilityCurrentBorrowingCapacityus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse350000000350000000falsefalsefalse11truefalsefalse111100000111100000falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14truefalsefalse238900000238900000falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Senior unsecured credit facility, current borrowing capacity11false 5us-gaap_ProceedsFromLinesOfCreditus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse3500000035000000falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 false2Line of credit facility, increase, additional borrowings12false 5us-gaap_RepaymentsOfLinesOfCreditus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10truefalsefalse3500000035000000falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 false2Senior unsecured credit facility, repayments13false 5us-gaap_LineOfCreditFacilityAmountOutstandingus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11truefalsefalse111100000111100000falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14falsefalsefalse00falsefalsefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount borrowed under the credit facility as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Senior unsecured credit facility, outstanding14false 5us-gaap_LineOfCreditFacilityRemainingBorrowingCapacityus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7falsefalsefalse00falsefalsefalse8falsefalsefalse00falsefalsefalse9falsefalsefalse00falsefalsefalse10falsefalsefalse00falsefalsefalse11falsefalsefalse00falsefalsefalse12falsefalsefalse00falsefalsefalse13falsefalsefalse00falsefalsefalse14truefalsefalse208000000208000000USD$falsetruefalse15falsefalsefalse00falsefalsefalse16falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 false2Line of credit facility, remaining borrowing capacity15false 5us-gaap_DerivativeFixedInterestRateus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1falsetruefalse00falsefalsefalse2falsetruefalse00falsefalsefalse3falsetruefalse00falsefalsefalse4falsetruefalse00falsefalsefalse5falsetruefalse00falsefalsefalse6falsetruefalse00falsefalsefalse7falsetruefalse00falsefalsefalse8falsetruefalse00falsefalsefalse9falsetruefalse00falsefalsefalse10falsetruefalse00falsefalsefalse11falsetruefalse00falsefalsefalse12falsetruefalse00falsefalsefalse13falsetruefalse00falsefalsefalse14falsetruefalse00falsefalsefalse15truetruefalse0.01440.0144falsefalsefalse16falsetruefalse00falsefalsefalsenum:percentItemTypepureFixed interest rate related to the interest rate derivative.No definition available.false0Fixed interest rate through derivativesfalseNotes Payable and Line of Credit (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseNoteshttp://www.spiritrealty.com/role/NotesPayableAndLineOfCreditDetails1615