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Real Estate Investments (Details 3) (USD $)
1 Months Ended 12 Months Ended 1 Months Ended
Jan. 31, 2015
loan
item
Dec. 31, 2014
item
Dec. 31, 2013
Dec. 31, 2012
item
property
Feb. 28, 2015
Dec. 31, 2014
Aug. 31, 2014
Oct. 31, 2014
Investment commitments                
Investment Commitment   $ 29,951,000ltc_InvestmentCommitments       $ 29,951,000ltc_InvestmentCommitments    
Funding 731,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForOngoingConstruction              
Commitment Funded   13,429,000ltc_InvestmentCommitmentsTotalAmountFunded       13,429,000ltc_InvestmentCommitmentsTotalAmountFunded    
Remaining Commitment 15,791,000ltc_InvestmentCommitmentsRemainingAmount 16,522,000ltc_InvestmentCommitmentsRemainingAmount       16,522,000ltc_InvestmentCommitmentsRemainingAmount    
Number of commitments 12ltc_LoanCommitmentsNumberOfCommitmentsToProvideLoansAndLineOfCredit 11ltc_LoanCommitmentsNumberOfCommitmentsToProvideLoansAndLineOfCredit       11ltc_LoanCommitmentsNumberOfCommitmentsToProvideLoansAndLineOfCredit    
Development, redevelopment, renovation, and expansion                
Commitments funding capitalized directly into building and improvements   1,554,000ltc_CapitalImprovementCommitmentFundingCapitalizedIntoBuildingAndImprovement       1,554,000ltc_CapitalImprovementCommitmentFundingCapitalizedIntoBuildingAndImprovement    
Acquisitions                
Purchase Price       166,750,000us-gaap_BusinessCombinationConsiderationTransferred1        
Transaction Costs       767,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts        
Total Acquisition Costs       167,517,000ltc_BusinessCombinationAcquisitionTotalCost        
Number of properties       9us-gaap_NumberOfBusinessesAcquired        
Number of beds/units acquired       788ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired        
Contingent earn-out payments     7,000,000ltc_EarnOutLiabilitiesPayment          
Earn-out liabilities   3,258,000ltc_EarnOutLiabilities 0ltc_EarnOutLiabilities     3,258,000ltc_EarnOutLiabilities    
Amount funded for open development and improvement projects     13,135,000ltc_AmountFundedForOpenDevelopmentAndImprovementProjects 11,089,000ltc_AmountFundedForOpenDevelopmentAndImprovementProjects        
Other disclosures                
Sale of property   33,593,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment 11,001,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment 1,271,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment        
Gain (loss) on sale of real estate, net     1,605,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax 16,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax        
Depreciation expense   25,424,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 24,568,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense 22,002,000us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense        
Subsequent Event [Member]                
Completed development and improvement projects                
Funding   4,711,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Pre-development Loan Commitment [Member]                
Investment commitments                
Number of commitments   4ltc_LoanCommitmentsNumberOfCommitmentsToProvideLoansAndLineOfCredit
/ ltc_CapitalImprovementAndLoanCommitmentsByExpirationDateAxis
= ltc_PreDevelopmentLoanCommitmentMember
      4ltc_LoanCommitmentsNumberOfCommitmentsToProvideLoansAndLineOfCredit
/ ltc_CapitalImprovementAndLoanCommitmentsByExpirationDateAxis
= ltc_PreDevelopmentLoanCommitmentMember
   
Pre-development loan balance reclassified to real estate under development   304,000ltc_PreDevelopmentLoanReclassifiedToRealEstateUnderDevelopment
/ ltc_CapitalImprovementAndLoanCommitmentsByExpirationDateAxis
= ltc_PreDevelopmentLoanCommitmentMember
           
Real Estate Investment Completed Projects [Member]                
Completed development and improvement projects                
Number of Properties   10ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
           
Number of Beds/Units   881ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
257ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
    881ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
   
Funding 4,711,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
38,768,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
17,462,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
         
Total Funding   58,745,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
28,160,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
    58,745,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
   
Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   29,951,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
      29,951,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
   
Funding   9,987,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForOngoingConstruction
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
           
Commitment Funded   13,429,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
      13,429,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
   
Remaining Commitment   16,522,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
      16,522,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
   
Number of Properties   28ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
      28ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
   
Number of Beds/Units   1,335ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
      1,335ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
   
Real Estate Investment [Member] | Subsequent Event [Member]                
Investment commitments                
Remaining Commitment   15,791,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
      15,791,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   15ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
      15ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   14,668,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
           
Funded   46,852,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
           
Capitalized Interest   1,506,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
           
Conversions out of CIP   (54,355,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
           
CIP, Balance at the end of the period   8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
      8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
   
Maximum [Member] | Real Estate Investment [Member]                
Acquisitions                
Initial term of lease   15 years            
Specified annual increase over the prior year's rent (as a percent)   3.00%ltc_AnnualIncreaseInRentPercentage
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
           
Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Subsequent Event [Member]                
Investment commitments                
Investment Commitment   28,715,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
      28,715,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Real Estate Development Commitments [Member] | Maximum [Member]                
Investment commitments                
Investment Commitment       49,702,000ltc_InvestmentCommitments
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Real Estate Development Commitments [Member] | Maximum [Member] | Real Estate Investment [Member] | Subsequent Event [Member]                
Acquisitions                
Lease inducement fee   3,952,000ltc_LeaseInducementFee
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Skilled Nursing Properties [Member]                
Acquisitions                
Purchase Price       79,100,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
13,946,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
     
Transaction Costs       275,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Total Acquisition Costs       79,375,000ltc_BusinessCombinationAcquisitionTotalCost
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Number of properties       4us-gaap_NumberOfBusinessesAcquired
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Number of beds/units acquired       522ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Lease inducement fee         1,054,000ltc_LeaseInducementFee
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
     
Skilled Nursing Properties [Member] | Subsequent Event [Member]                
Acquisitions                
Purchase Price   13,946,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Number of beds/units acquired   106ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Skilled Nursing Properties [Member] | Texas                
Acquisitions                
Number of properties       2us-gaap_NumberOfBusinessesAcquired
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Number of beds/units acquired       234ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Skilled Nursing Properties [Member] | Ohio                
Acquisitions                
Number of properties       2us-gaap_NumberOfBusinessesAcquired
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Number of beds/units acquired       288ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
       
Number of lessees who have exercised purchase option     1ltc_NumberOfLesseesWhoHaveExercisedPurchaseOption
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Number of properties for which lessee has exercised purchase option     6ltc_NumberOfRealEstatePropertiesForWhichLesseeHasExercisedPurchaseOption
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Number of beds or units for which the lessee has exercised the purchase option     230ltc_NumberOfBedsOrUnitsForWhichLesseeHasExercisedPurchaseOption
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Other disclosures                
Sale of property     11,000,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Gain (loss) on sale of real estate, net     2,619,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ dei_EntityByLocationAxis
= stpr_OH
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Skilled Nursing Properties [Member] | Real Estate Investment Completed Projects [Member] | Texas                
Completed development and improvement projects                
Number of Beds/Units     120ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Funding     5,065,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Total Funding     8,635,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Skilled Nursing Properties [Member] | Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   2,200,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
      2,200,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
   
Funding   1,156,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForOngoingConstruction
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
           
Commitment Funded   2,161,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
      2,161,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
   
Remaining Commitment   39,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
      39,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
   
Number of Properties   2ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
      2ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
   
Number of Beds/Units   141ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
      141ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
   
Skilled Nursing Properties [Member] | Real Estate Investment [Member] | Florida                
Acquisitions                
Purchase Price     14,402,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Transaction Costs     58,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Number of beds/units acquired     130ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
         
Skilled Nursing Properties [Member] | Real Estate Development Commitments [Member]                
Investment commitments                
Number of Properties       1ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Number of Beds/Units       143ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Skilled Nursing Properties [Member] | Capital Improvement Commitments [Member] | Texas                
Investment commitments                
Investment Commitment 600,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
             
Number of Properties 196ltc_NumberOfPropertiesUnderInvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
             
Skilled Nursing Properties [Member] | Capital Improvement Commitments [Member] | Texas | Subsequent Event [Member]                
Investment commitments                
Investment Commitment   600,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
      600,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Number of Properties   196ltc_NumberOfPropertiesUnderInvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
      196ltc_NumberOfPropertiesUnderInvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Skilled Nursing Properties with 122 Units [Member] | Real Estate Investment Completed Projects [Member] | Texas                
Completed development and improvement projects                
Number of Beds/Units   122ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith122UnitsMember
      122ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith122UnitsMember
   
Funding   500,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith122UnitsMember
           
Skilled Nursing Properties with 196 Units [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Texas                
Investment commitments                
Number of Beds/Units 196ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith196UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
             
Skilled Nursing Properties with 196 Units [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Texas | Scenario, Forecast [Member]                
Investment commitments                
Increase in rent (as a percent) 9.00%ltc_OperatingLeasePercentageRentIncrease
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith196UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
             
Skilled Nursing Properties with 196 Units [Member] | Real Estate Development Commitments [Member] | Maximum [Member] | Real Estate Investment [Member] | Texas                
Investment commitments                
Investment Commitment 600,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith196UnitsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
             
Skilled Nursing Properties with 140 Units [Member] | Texas                
Other disclosures                
Sale of property       1,248,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith140UnitsMember
       
Gain (loss) on sale of real estate, net       16,000us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith140UnitsMember
       
Number of beds or units in property sold       140ltc_NumberOfBedsOrUnitsInRealEstatePropertySold
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith140UnitsMember
       
Skilled Nursing Properties with 47 Units [Member] | Colorado                
Other disclosures                
Sale of property     1,000us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith47UnitsMember
         
Gain (loss) on sale of real estate, net     (1,014,000)us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith47UnitsMember
         
Number of beds or units in property sold     47ltc_NumberOfBedsOrUnitsInRealEstatePropertySold
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesWith47UnitsMember
         
Assisted Living Properties [Member]                
Acquisitions                
Purchase Price       81,987,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Transaction Costs       285,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Total Acquisition Costs       82,272,000ltc_BusinessCombinationAcquisitionTotalCost
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Number of properties       5us-gaap_NumberOfBusinessesAcquired
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Number of beds/units acquired       266ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Assisted Living Properties [Member] | Colorado                
Acquisitions                
Number of properties       2us-gaap_NumberOfBusinessesAcquired
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Number of beds/units acquired       100ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Assisted Living Properties [Member] | New Jersey                
Acquisitions                
Number of properties       3us-gaap_NumberOfBusinessesAcquired
/ dei_EntityByLocationAxis
= stpr_NJ
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Number of beds/units acquired       166ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_NJ
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
       
Assisted Living Properties [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Number of Beds/Units     60ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Funding     4,316,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Total Funding     9,850,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Assisted Living Properties [Member] | Real Estate Investment Completed Projects [Member] | Kansas                
Completed development and improvement projects                
Number of Beds/Units     77ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Funding   551,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
8,081,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Total Funding     9,675,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Aggregate purchase price of land     730,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
         
Assisted Living Properties [Member] | Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   27,751,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      27,751,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Funding   8,831,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForOngoingConstruction
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
           
Commitment Funded   11,268,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      11,268,000ltc_InvestmentCommitmentsTotalAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Remaining Commitment   16,483,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      16,483,000ltc_InvestmentCommitmentsRemainingAmount
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Number of Properties   26ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      26ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Number of Beds/Units   1,194ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      1,194ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Assisted Living Properties [Member] | Real Estate Investment [Member] | Colorado                
Acquisitions                
Purchase Price   9,800,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
           
Transaction Costs   130,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      130,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Number of beds/units acquired   48ltc_BusinessAcquisitionNumberOfUnitsInBusinessAcquired
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
           
Incremental initial cash yield at which property will be added to a master lease (as a percent)   6.50%ltc_IncrementalInitialCashYieldAtWhichPropertyWillBeAddedToMasterLease
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
      6.50%ltc_IncrementalInitialCashYieldAtWhichPropertyWillBeAddedToMasterLease
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
   
Assisted Living Properties [Member] | Real Estate Investment [Member] | Colorado | Scenario, Forecast [Member]                
Acquisitions                
Number of earn-out payments   2ltc_EarnOutLiabilitiesPaymentNumber
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
           
Contingent earn-out payments   4,000,000ltc_EarnOutLiabilitiesPayment
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
           
Assisted Living Properties [Member] | Maximum [Member] | Real Estate Investment [Member] | Colorado | Scenario, Forecast [Member]                
Acquisitions                
Contingent earn-out payments   4,000,000ltc_EarnOutLiabilitiesPayment
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
           
Assisted Living Properties [Member] | Real Estate Development Commitments [Member]                
Investment commitments                
Number of Properties       2ltc_NumberOfPropertiesUnderInvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Number of Beds/Units       158ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Assisted Living Properties [Member] | Capital Improvement Commitments [Member] | Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   4,800,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
      4,800,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
   
Number of developments   24ltc_NumberOfDevelopments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_CapitalImprovementCommitmentsMember
           
Assisted Living Properties with 77 Units [Member] | Real Estate Investment Completed Projects [Member] | Kansas                
Completed development and improvement projects                
Number of Beds/Units   77ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith77UnitsMember
      77ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith77UnitsMember
   
Funding   551,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_KS
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith77UnitsMember
           
Memory Care Property [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Aggregate purchase price of land     1,882,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
    850,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
1,200,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
 
Memory Care Property [Member] | Real Estate Investment Completed Projects [Member] | Texas                
Completed development and improvement projects                
Aggregate purchase price of land               1,000,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
Memory Care Property [Member] | Real Estate Investment Completed Projects [Member] | Kentucky                
Completed development and improvement projects                
Aggregate purchase price of land               2,050,000ltc_AcquisitionOfLandAmountFunded
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
Memory Care Property [Member] | Real Estate Investment [Member]                
Investment commitments                
Number of developments   2ltc_NumberOfDevelopments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
           
Acquisitions                
Number of Beds or Units under Development   126ltc_NumberOfBedsOrUnitsUnderDevelopment
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
           
Memory Care Property [Member] | Real Estate Development Commitments [Member]                
Investment commitments                
Number of Beds/Units       60ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
       
Number of developments     3ltc_NumberOfDevelopments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
         
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Texas                
Investment commitments                
Investment Commitment         12,179,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Number of Beds/Units         56ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Subsequent Event [Member]                
Acquisitions                
Number of Beds or Units under Development   56ltc_NumberOfBedsOrUnitsUnderDevelopment
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Texas                
Acquisitions                
Incremental initial cash yield at which property will be added to a master lease (as a percent)         8.75%ltc_IncrementalInitialCashYieldAtWhichPropertyWillBeAddedToMasterLease
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Number of Beds or Units under Development         56ltc_NumberOfBedsOrUnitsUnderDevelopment
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Initial term of lease         15 years      
Number of renewal options         3ltc_OperatingLeaseNumberOfRenewalOptions
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Term of each renewal option         5 years      
Specified annual increase over the prior year's rent (as a percent)         2.25%ltc_AnnualIncreaseInRentPercentage
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Illinois                
Acquisitions                
Number of Beds or Units under Development   66ltc_NumberOfBedsOrUnitsUnderDevelopment
/ dei_EntityByLocationAxis
= stpr_IL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
           
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Maximum [Member]                
Investment commitments                
Investment Commitment     30,256,000ltc_InvestmentCommitments
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
         
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Maximum [Member] | Real Estate Investment [Member] | Texas                
Acquisitions                
Lease inducement fee         1,589,000ltc_LeaseInducementFee
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Percentage of the lease inducement fee to be disbursed at or shortly after closing (as a percent)         25.00%ltc_LeaseInducementFeePercentageToBeDisbursedAtOrShortlyAfterClosing
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Memory Care Property [Member] | Real Estate Development Commitments [Member] | Maximum [Member] | Real Estate Investment [Member] | Illinois                
Investment commitments                
Investment Commitment   12,248,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_IL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
      12,248,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_IL
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
   
Memory Care Property with 66 Units [Member] | Real Estate Investment [Member]                
Completed development and improvement projects                
Aggregate purchase price of land   1,400,000ltc_AcquisitionOfLandAmountFunded
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith66UnitsMember
           
Memory Care Property with 66 Units [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   12,248,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith66UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
      12,248,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith66UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
   
Number of Beds/Units   66ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith66UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
      66ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith66UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
   
Memory Care Property with 60 Units [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member]                
Investment commitments                
Investment Commitment   10,703,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith60UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
      10,703,000ltc_InvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith60UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
   
Number of Beds/Units   60ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith60UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
      60ltc_NumberOfBedsAndUnitsUnderInvestmentCommitments
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_MemoryCarePropertyWith60UnitsMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
   
Assisted Living and Memory Care Properties [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Subsequent Event [Member]                
Acquisitions                
Number of Beds or Units under Development   89ltc_NumberOfBedsOrUnitsUnderDevelopment
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingAndMemoryCarePropertiesMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
           
Land [Member]                
Acquisitions                
Purchase Price       5,663,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
       
Transaction Costs       207,000us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
       
Total Acquisition Costs       5,870,000ltc_BusinessCombinationAcquisitionTotalCost
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
       
Number of Parcels of Land       4ltc_NumberOfParcelsOfLand
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
       
Land [Member] | Real Estate Investment [Member]                
Acquisitions                
Number of Parcels of Land   5ltc_NumberOfParcelsOfLand
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
           
Land [Member] | Real Estate Investment [Member] | Colorado                
Acquisitions                
Purchase Price     3,475,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
         
Number of vacant parcels of land     3ltc_NumberOfVacantParcelsOfLand
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
         
Land [Member] | Real Estate Investment [Member] | Michigan                
Acquisitions                
Purchase Price   450,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_MI
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
1,163,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_MI
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
         
Number of Parcels of Land     4ltc_NumberOfParcelsOfLand
/ dei_EntityByLocationAxis
= stpr_MI
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
         
Land [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Colorado                
Acquisitions                
Purchase Price         2,490,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Land [Member] | Real Estate Development Commitments [Member] | Real Estate Investment [Member] | Texas                
Investment commitments                
Investment Commitment         12,179,000ltc_InvestmentCommitments
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= us-gaap_RealEstateInvestmentMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= us-gaap_LandMember
/ ltc_RealEstateAgreementsAxis
= ltc_RealEstateDevelopmentCommitmentsMember
     
Development Project [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   7ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      7ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   12,227,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Funded   33,728,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Capitalized Interest   1,274,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Conversions out of CIP   (38,558,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
CIP, Balance at the end of the period   8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development Project [Member] | Skilled Nursing Properties [Member] | Real Estate Investment Completed Projects [Member] | Kentucky                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Number of Beds/Units   143ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      143ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Funding   10,579,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Total Funding   20,904,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      20,904,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_KY
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development Project [Member] | Skilled Nursing Properties [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   1ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      1ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   5,893,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Funded   10,579,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Capitalized Interest   505,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Conversions out of CIP   (16,977,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Development Project [Member] | Assisted Living Properties [Member] | Real Estate Investment Completed Projects [Member] | Texas                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Number of Beds/Units   80ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      80ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Funding   2,300,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Total Funding   5,691,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      5,691,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_TX
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development Project [Member] | Assisted Living Properties [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   6ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      6ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   6,334,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Funded   23,149,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Capitalized Interest   769,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Conversions out of CIP   (21,581,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
CIP, Balance at the end of the period   8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      8,671,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development Project [Member] | Assisted Living Properties with 60 Units [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Number of Beds/Units   60ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      60ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Funding   6,351,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Total Funding   9,689,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      9,689,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith60UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Development Project [Member] | Assisted Living Properties with 48 Units [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Number of Beds/Units   48ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      48ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Funding   7,257,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
           
Total Funding   8,744,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
      8,744,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith48UnitsMember
/ ltc_ProjectTypeAxis
= ltc_DevelopmentProjectMember
   
Expansion Renovation Project [Member] | Assisted Living Properties with 72 Units [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
           
Number of Beds/Units   72ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
      72ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
   
Funding   6,371,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
           
Total Funding   6,376,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
      6,376,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith72UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
   
Expansion Renovation Project [Member] | Assisted Living Properties with 123 Units [Member] | Real Estate Investment Completed Projects [Member] | Colorado                
Completed development and improvement projects                
Number of Properties   2ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
           
Number of Beds/Units   123ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
      123ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
   
Funding   5,091,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
           
Total Funding   5,095,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
      5,095,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_CO
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesWith123UnitsMember
/ ltc_ProjectTypeAxis
= ltc_ExpansionRenovationProjectMember
   
Improvements Project [Member] | Skilled Nursing Properties [Member] | Real Estate Investment Completed Projects [Member] | Florida                
Completed development and improvement projects                
Number of Properties   1ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
           
Number of Beds/Units   120ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
      120ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
   
Funding   500,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
           
Total Funding   500,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
      500,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_FL
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
   
Improvements Project [Member] | Skilled Nursing Properties [Member] | Real Estate Investment Completed Projects [Member] | New Mexico                
Completed development and improvement projects                
Number of Properties   2ltc_NumberOfPropertiesUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
           
Number of Beds/Units   235ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
      235ltc_NumberOfBedsAndUnitsUnderCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
   
Funding   319,000ltc_InvestmentCommitmentsAmountFundedDuringPeriodForCompletedConstruction
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
           
Total Funding   1,746,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
      1,746,000ltc_InvestmentCommitmentsTotalAmountFundedForCompletedConstructionProjects
/ dei_EntityByLocationAxis
= stpr_NM
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentCompletedProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_ImprovementsProjectMember
   
Redevelopment Renovation Expansion Projects [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   8ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
      8ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   2,441,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Funded   13,124,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Capitalized Interest   232,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Conversions out of CIP   (15,797,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Redevelopment Renovation Expansion Projects [Member] | Skilled Nursing Properties [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   5ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
      5ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   2,433,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Funded   1,661,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Conversions out of CIP   (4,094,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_SkilledNursingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Redevelopment Renovation Expansion Projects [Member] | Assisted Living Properties [Member] | Real Estate Investment Development Redevelopment Renovation and Expansion Projects [Member]                
Development, redevelopment, renovation, and expansion                
Projects   3ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
      3ltc_NumberOfPropertiesUnderDevelopmentRedevelopmentRenovationAndExpansion
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
   
Development, redevelopment, renovation, and expansion activity                
CIP, Balance at the beginning of the period   8,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsConstructionInProgress
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Funded   11,463,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsAmountFundedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Capitalized Interest   232,000ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsInterestCapitalizedDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember
           
Conversions out of CIP   $ (11,703,000)ltc_DevelopmentRedevelopmentRenovationAndExpansionProjectsCompletedConversionsDuringPeriod
/ us-gaap_InvestmentTypeAxis
= ltc_RealEstateInvestmentDevelopmentRedevelopmentRenovationAndExpansionProjectsMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= ltc_AssistedLivingPropertiesMember
/ ltc_ProjectTypeAxis
= ltc_RedevelopmentRenovationExpansionProjectsMember