Real Estate Investments - Development and Improvement Projects (Details) - ALF and MC - Developments - Real Estate Development Commitments - Real Estate Investment Completed Projects $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($) item property
Completed development and improvement projects
Number of Properties \| property	1
Number of Beds/Units \| item	78
Total Investment \| $	$ 18,443

Represents the total amount funded for completed construction projects under various investment commitments of the entity.

No definition available.

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