Real Estate Investments - Mortgage Loan (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025 USD ($) loan property item state $ / item	Dec. 31, 2024 USD ($) item
Real Estate [Line Items]
Gross Investment \| $	$ 1,329,856
Percentage of Investment	100.00%
Number of properties \| property	121
Number of beds/units	213
SNF Beds
Real Estate [Line Items]
Number of beds/units	6,231
ALF Units
Real Estate [Line Items]
Number of beds/units	4,472
SNF
Real Estate [Line Items]
Gross Investment \| $	$ 598,423
Percentage of Investment	45.00%
Number of properties \| property	50
Average Investment per Bed/Unit \| $ / item	94.25
SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	6,113
SNF \| ALF Units
Real Estate [Line Items]
Number of beds/units	236
ALF
Real Estate [Line Items]
Gross Investment \| $	$ 719,428
Percentage of Investment	54.10%
Number of properties \| property	70
Average Investment per Bed/Unit \| $ / item	169.84
ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	4,236
Mortgage loans with 10.3% Interest Maturing 2045 \| SNF
Real Estate [Line Items]
Interest rate (as a percent)	10.30%
Mortgage loans with 11.1% Interest Maturing 2043
Real Estate [Line Items]
Interest rate (as a percent)	8.50%
Full contractual cash interest received \| $	$ 4,991
Interest cash receipts \| $	3,826
Interest via application of security deposits \| $	$ 1,165
Annual increase in interest rate	2.25%
Mortgage Loans Maturing In 2045 [Member]
Real Estate [Line Items]
Annual increase in interest rate	2.25%
Mortgage Loans
Real Estate [Line Items]
Gross Investment \| $	$ 317,527
Percentage of Investment	100.00%
Number of Loans \| loan	9
Number of properties \| property	27
Average Investment per Bed/Unit \| $ / item	103.77
Number of states in which properties are located \| state	4
Number of borrowers	6
Mortgage Loans \| Illinois
Real Estate [Line Items]
Interest rate (as a percent)		9.00%
Gross Investment \| $		$ 26,120
Number of beds/units		116
Borrower contribution \| $		$ 12,300
Loan Term		6 years
Internal Rate of Return		9.50%
Mortgage Loans \| SNF Beds
Real Estate [Line Items]
Number of beds/units	2,726
Mortgage Loans \| ALF Units
Real Estate [Line Items]
Number of beds/units	334
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2025 \| ALF
Real Estate [Line Items]
Interest rate (as a percent)	8.80%
Gross Investment \| $	$ 4,000
Percentage of Investment	1.20%
Number of Loans \| loan	1
Number of properties \| property	2
Average Investment per Bed/Unit \| $ / item	43.48
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2025 \| ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	92
Mortgage Loans \| Mortgage loans with 7.8% Interest Maturing 2025 \| ALF
Real Estate [Line Items]
Interest rate (as a percent)	7.80%
Gross Investment \| $	$ 16,706
Percentage of Investment	5.30%
Number of Loans \| loan	1
Number of properties \| property	1
Average Investment per Bed/Unit \| $ / item	149.16
Mortgage Loans \| Mortgage loans with 7.8% Interest Maturing 2025 \| ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	112
Mortgage Loans \| Mortgage loans with 7.3% Interest Maturing 2025, NC \| ALF
Real Estate [Line Items]
Interest rate (as a percent)	7.30%
Gross Investment \| $	$ 10,750
Percentage of Investment	3.40%
Number of Loans \| loan	1
Number of properties \| property	1
Average Investment per Bed/Unit \| $ / item	238.89
Mortgage Loans \| Mortgage loans with 7.3% Interest Maturing 2025, NC \| ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	45
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2026
Real Estate [Line Items]
Interest rate (as a percent)	8.80%
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2026 \| ALF
Real Estate [Line Items]
Gross Investment \| $	$ 14,672
Percentage of Investment	4.60%
Number of Loans \| loan	1
Number of properties \| property	1
Average Investment per Bed/Unit \| $ / item	172.61
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2026 \| ALF \| ALF Units
Real Estate [Line Items]
Number of beds/units	85
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2028 \| SNF
Real Estate [Line Items]
Interest rate (as a percent)	8.80%
Gross Investment \| $	$ 16,500
Percentage of Investment	5.20%
Number of Loans \| loan	1
Number of properties \| property	1
Average Investment per Bed/Unit \| $ / item	110
Mortgage Loans \| Mortgage loans with 8.8% Interest Maturing 2028 \| SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	150
Mortgage Loans \| Mortgage loans with 10.3% Interest Maturing 2045 \| SNF
Real Estate [Line Items]
Gross Investment \| $	$ 19,700
Percentage of Investment	6.20%
Number of Loans \| loan	1
Number of properties \| property	2
Average Investment per Bed/Unit \| $ / item	98.01
Mortgage Loans \| Mortgage loans with 10.3% Interest Maturing 2045 \| SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	201
Mortgage Loans \| Mortgage loans with 11.1% Interest Maturing 2043 \| SNF
Real Estate [Line Items]
Interest rate (as a percent)	11.10%
Gross Investment \| $	$ 180,699
Percentage of Investment	56.90%
Number of Loans \| loan	1
Number of properties \| property	14
Average Investment per Bed/Unit \| $ / item	103.32
Mortgage Loans \| Mortgage loans with 11.1% Interest Maturing 2043 \| SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	1,749
Mortgage Loans \| Mortgage loans with 10.0% Interest Maturing 2045 \| SNF
Real Estate [Line Items]
Interest rate (as a percent)	10.00%
Gross Investment \| $	$ 39,700
Percentage of Investment	12.50%
Number of Loans \| loan	1
Number of properties \| property	4
Average Investment per Bed/Unit \| $ / item	82.71
Mortgage Loans \| Mortgage loans with 10.0% Interest Maturing 2045 \| SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	480
Mortgage Loans \| Mortgage Loans With 10.8% Interest Maturing 2045 [Member] \| SNF
Real Estate [Line Items]
Interest rate (as a percent)	10.80%
Gross Investment \| $	$ 14,800
Percentage of Investment	4.70%
Number of Loans \| loan	1
Number of properties \| property	1
Average Investment per Bed/Unit \| $ / item	101.37
Mortgage Loans \| Mortgage Loans With 10.8% Interest Maturing 2045 [Member] \| SNF \| SNF Beds
Real Estate [Line Items]
Number of beds/units	146

The amount contributed by the borrower of mortgage loans.

No definition available.

Name:	ltc_BorrowerContributionToFund
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the percentage of internal rate of return.

+ References

No definition available.

+ Details

Name:	ltc_InternalRateOfReturn
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Number of borrowers.

+ References

No definition available.

+ Details

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

- Definition

Represents the per unit investment in real estate held solely for investment purposes.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateInvestmentsPerUnit
Namespace Prefix:	ltc_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the investments in real estate held solely for investment purposes expressed as a percentage.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateInvestmentsPercentage
Namespace Prefix:	ltc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of interest received on real estate mortgage loans during the period.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateMortgageLoansInterestReceived
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of interest received on real estate mortgage loans in the form of cash during the period.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateMortgageLoansInterestReceivedInCash
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of interest received on real estate mortgage loans in the form of applications of security deposits during the period.

+ References

No definition available.

+ Details

Name:	ltc_RealEstateMortgageLoansInterestReceivedViaApplicationOfSecurityDeposits
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column B
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column B))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1

+ Details

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

- Definition

Number of mortgage loans 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
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column G
-Footnote 3
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column A
-Footnote 3
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1

+ Details

Name:	srt_MortgageLoansOnRealEstateNumberOfLoans
Namespace Prefix:	srt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477332/976-310-50-1

+ Details

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

- Details

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

- Details

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

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_SkilledNursingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=ltc_AssistedLivingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith10.3InterestMaturing2045Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith11.1InterestMaturing2043Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansMaturingIn2045Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_MortgagesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=stpr_IL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith8.8InterestMaturing2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith7.8InterestMaturing2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith7.3InterestMaturing2025OneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith8.8InterestMaturing2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith8.8InterestMaturing2028Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith10.0InterestMaturing2045Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ltc_MortgageLoansWith10.8InterestMaturing2045Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: