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Real Estate Investments - Mortgage Loans Activity (Details) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Mortgage Loans |  |
Originations and fundings under mortgage loans receivable | $ 4,176,000 | $ 10,919,000
Scheduled principal payments received | (565,000) | (565,000)
Mortgage loan premium amortization | (3,000) | (3,000)
Provision for loan loss reserve | (36,000) | (104,000)
Net increase in mortgage loans receivable | $ 3,572,000 | 10,247,000
Mortgage Loans |  |
Mortgage Loans |  |
Loan Term | 30 years |
Specified basis points for annual increase in interest rate (as a percent) | 2.25% |
Mortgages With 8.89 Percent Interest With Escalation [Member] | Mortgage Loans |  |
Mortgage Loans |  |
Additions to mortgage loans | $ 2,000 |
Interest rate (as a percent) | 8.89% |
Specified basis points for annual increase in interest rate (as a percent) | 2.25% |
Mortgages with 9.41% Interest, fixed for five years, and escalating by 2.25% thereafter | Mortgage Loans |  |
Mortgage Loans |  |
Additions to mortgage loans |  | $ 7,500
Interest rate (as a percent) |  | 9.41%
Loan Term |  | 2 years
Specified basis points for annual increase in interest rate (as a percent) |  | 2.25%

X
- Definition The increase (decrease) during the reporting period in the value of mortgage loans. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Mortgage loan related to the bank premiums. + References No definition available. + Details
Name: | ltc_MortgageLoanPremiumsForBank
Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Total amount of new mortgage loans and other additions on real estate during the reporting period. + References No definition available. + Details
Name: | ltc_MortgageLoansOnRealEstateAdditions
Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the amortization period of mortgage loan on real estate properties. + References No definition available. + Details
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Namespace Prefix: | ltc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of scheduled principal collected on mortgage loans on real estate during the reporting period. Excludes mortgage payoffs. + References No definition available. + Details
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Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the basis points specified for an increase in annual interest rate on mortgage loan receivable. + References No definition available. + Details
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Namespace Prefix: | ltc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total amount of new mortgage loans and other additions on real estate during the reporting period. + References No definition available. + Details
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Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The Amount of expense related to loss recovery from loan and loss of reserve + References No definition available. + Details
Name: | ltc_ProvisionForRecoveryOfLoanLossReserve
Namespace Prefix: | ltc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column B)) -URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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