The amount of letter of credit hold under lease transaction as a security.

No definition available.

There amount of maintenance and repair escrows balance held as security under lease.

No definition available.

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

There amount of property tax escrows balance held as security under lease.

No definition available.

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

The number of properties in default.

No definition available.

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

Amount received under operating lease minimum lease payment.

No definition available.

Name:	ltc_OperatingLeaseMinimumCashPaymentReceived
Namespace Prefix:	ltc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

A description of the time period when the company made its initial Petition date and reject the lease period

No definition available.

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

No definition available.

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

Name:	srt_CounterpartyNameAxis=ltc_AnthemMemoryCareMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_MajorCustomersAxis=ltc_SeniorCareCentersLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Real Estate Investments - Operator changes (Details)		12 Months Ended
Real Estate Investments - Operator changes (Details)	Dec. 04, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 property
Anthem Memory Care
Other disclosures
Number of properties in default \| property			11
Minimum cash rent received		$ 5,200,000
Senior Care Centers
Other disclosures
Petition Date and Reject The Lease Period	120 days
Letter of credit	$ 2,000,000
Maintenance and repair escrows	2,200,000
Property tax escrows	$ 1,800,000