Represents the amortization period of mortgage loan on real estate properties.

No definition available.

Name:	ltc_MortgageLoansOnRealEstateAmortizationPeriod
Namespace Prefix:	ltc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of notes receivable committed to fund.

+ References

No definition available.

+ Details

Name:	ltc_NotesReceivableCommitmentToFund
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of principal amount of notes receivable.

+ References

No definition available.

+ Details

Name:	ltc_NotesReceivablePrincipalAmount
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the number of beds/units under development.

+ References

No definition available.

+ Details

Name:	ltc_NumberOfBedsOrUnitsUnderDevelopment
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- 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=6589523&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstateInterestRate
Namespace Prefix:	srt_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_LoansAndLeasesReceivableDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447

+ Details

Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ltc_MezzanineLoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=ltc_PropertyWith204CombinedIndependentLivingCommunitiesAssistedLivingAndMemoryCareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ltc_MezzanineLoansReceivableDollar1400NoteAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=ltc_MezzanineLoansReceivableDollar550NoteAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Notes Receivable - New Loan Commitment (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($) item	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Notes receivable activities
Notes receivable, gross	$ 6,800
Number of beds/units under development \| item	204
Mezzanine loan with 12.0% Interest
Notes receivable activities
Notes receivable, gross		$ 11,135	$ 13,284
204-unit ILF/ALF/MC
Notes receivable activities
Loan Term	5 years
Interest rate (as a percent)	12.00%
204-unit ILF/ALF/MC \| Mezzanine loan with 12.0% Interest
Notes receivable activities
Loan Term	46 months
204-unit ILF/ALF/MC \| $1400 note agreement
Notes receivable activities
Notes receivable, gross	$ 582
Interest rate (as a percent)	7.00%
Mezzanine loan principal amount	$ 1,400
Mezzanine Loan Committed to fund	818
204-unit ILF/ALF/MC \| $550 Note Agreement
Notes receivable activities
Notes receivable, gross	$ 200
Interest rate (as a percent)	7.50%
Mezzanine loan principal amount	$ 550
Mezzanine Loan Committed to fund	$ 350