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

Represents the amount of current monthly debt service on mortgage loans on real estate.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoansOnRealEstateCurrentMonthlyDebtService
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the number of owned properties.

+ References

No definition available.

+ Details

Name:	ltc_MortgageLoansOnRealEstateNumberOfProperties
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of assisted communities.

+ References

No definition available.

+ Details

Name:	ltc_NumberOfAssistedCommunities
Namespace Prefix:	ltc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of units or beds of owned properties.

+ References

No definition available.

+ Details

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

- Definition

Amount of contractual principal due at origination 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 F
-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 F))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstateFaceAmountOfMortgages
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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

Name:	srt_MortgageLoansOnRealEstateInterestRate
Namespace Prefix:	srt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	srt_MortgageLoansOnRealEstateLineItems
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of payment to be received at final maturity date for 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
-Footnote 5
-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(Footnote 5))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstatePeriodicPaymentTermsBalloonPaymentToBeReceived
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of principal due on delinquent 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 H
-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 H))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of 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 FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

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

SCHEDULE IV MORTGAGE LOANS ON REAL ESTATE - Summary (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) property item	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Mortgage loans on real estate
Number of properties \| property	37
Number of beds/units \| item	3,507
Balloon Amount	$ 321,596
Current Monthly Debt Service	2,772
Face amount of originated mortgages	353,101
Carrying Amount of Mortgages	344,442	$ 257,251	$ 254,099	$ 242,939
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
Number of Assisted Communities \| item	13
Michigan \| Mortgage Loans on Real Estate Maturing in 2043 \| Property with 1875 Beds/Units
Mortgage loans on real estate
Number of properties \| property	15
Number of beds/units \| item	1,875
Interest rate (as a percent)	10.40%
Balloon Amount	$ 163,214
Current Monthly Debt Service	1,596
Face amount of originated mortgages	190,214
Carrying Amount of Mortgages	$ 183,510
Michigan \| Mortgage Loans on Real Estate Maturing in 2045 \| Property with 501 Beds/Units
Mortgage loans on real estate
Number of properties \| property	4
Number of beds/units \| item	501
Interest rate (as a percent)	9.50%
Balloon Amount	$ 35,539
Current Monthly Debt Service	309
Face amount of originated mortgages	39,369
Carrying Amount of Mortgages	$ 38,749
Michigan \| Mortgage Loans on Real Estate Maturing in 2045 \| Property with 146 Beds/Units
Mortgage loans on real estate
Number of properties \| property	1
Number of beds/units \| item	146
Interest rate (as a percent)	9.60%
Balloon Amount	$ 14,325
Current Monthly Debt Service	122
Face amount of originated mortgages	15,000
Carrying Amount of Mortgages	$ 14,751
Michigan \| Mortgage Loans on Real Estate Maturing in 2045 \| Property with 205 Beds/Units
Mortgage loans on real estate
Number of properties \| property	2
Number of beds/units \| item	205
Interest rate (as a percent)	9.60%
Balloon Amount	$ 19,750
Current Monthly Debt Service	158
Face amount of originated mortgages	19,750
Carrying Amount of Mortgages	19,552
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
Florida \| Mortgage Loans on Real Estate Maturing in 2025 \| Property with 68 Beds/Units
Mortgage loans on real estate
Number of properties \| property	1
Number of beds/units \| item	68
Interest rate (as a percent)	7.80%
Balloon Amount	$ 11,880
Current Monthly Debt Service	82
Face amount of originated mortgages	11,880
Carrying Amount of Mortgages	11,761
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
Louisiana \| Mortgage Loans on Real Estate Maturing in 2024 \| Property with 189 Beds/Units
Mortgage loans on real estate
Number of properties \| property	1
Number of beds/units \| item	189
Interest rate (as a percent)	7.50%
Balloon Amount	$ 27,101
Current Monthly Debt Service	172
Face amount of originated mortgages	27,101
Carrying Amount of Mortgages	26,830
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
Missouri \| Mortgage Loans on Real Estate Maturing in 2022
Mortgage loans on real estate
Interest rate (as a percent)	7.50%
Balloon Amount	$ 1,780
Current Monthly Debt Service	11
Face amount of originated mortgages	1,780
Carrying Amount of Mortgages	1,762
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
North Carolina \| Mortgage Loans on Real Estate Maturing in 2025 \| Property with 478 Beds/Units
Mortgage loans on real estate
Number of properties \| property	12
Number of beds/units \| item	478
Interest rate (as a percent)	7.30%
Balloon Amount	$ 43,876
Current Monthly Debt Service	322
Face amount of originated mortgages	43,876
Carrying Amount of Mortgages	43,437
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
South Carolina \| Mortgage Loans on Real Estate Maturing in 2025 \| Property with 45 Beds/Units
Mortgage loans on real estate
Number of properties \| property	1
Number of beds/units \| item	45
Interest rate (as a percent)	7.30%
Balloon Amount	$ 4,131
Face amount of originated mortgages	4,131
Carrying Amount of Mortgages	4,090
Principal Amount of Loans Subject to Delinquent Principal or Interest	$ 0
Minimum
Mortgage loans on real estate
Interest rate (as a percent)	4.00%
Maximum
Mortgage loans on real estate
Interest rate (as a percent)	8.00%
Mortgage Loans
Mortgage loans on real estate
Interest rate (as a percent)	2.25%
Loan Term	30 years