Fair Value Measurements (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Fair value measurements
Mortgage loans receivable	163,647,000	165,656,000
Senior unsecured notes	277,467,000us-gaap_UnsecuredDebt	281,633,000us-gaap_UnsecuredDebt
Contingent liabilities	3,313,000ltc_EarnOutLiabilities	3,258,000ltc_EarnOutLiabilities
Fair Value, Inputs, Level 3 [Member] \| Senior Unsecured Notes Maturing Prior To 2020 Member
Fair value measurements
Discount rate (as a percent)	3.75%	3.80%
Fair Value, Inputs, Level 3 [Member] \| Senior Unsecured Notes Maturing Beyond 2020 [Member]
Fair value measurements
Discount rate (as a percent)	4.00%	4.55%
Fair Value, Inputs, Level 3 [Member] \| Contingent Earn Out Liabilities [Member]
Fair value measurements
Discount rate (as a percent)	6.10%	6.20%
Fair Value, Inputs, Level 3 [Member] \| Mortgage Receivable [Member]
Fair value measurements
Discount rate (as a percent)	8.70%	8.60%
Reported Value Measurement [Member]
Fair value measurements
Bank borrowings	36,500,000
Reported Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value measurements
Mortgage loans receivable	163,647,000	165,656,000
Senior unsecured notes	277,467,000	281,633,000
Contingent liabilities	3,313,000	3,258,000
Estimate of Fair Value Measurement [Member]
Fair value measurements
Bank borrowings	36,500,000
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value measurements
Mortgage loans receivable	196,024,000	198,977,000
Senior unsecured notes	286,181,000	283,933,000
Contingent liabilities	3,313,000	3,258,000

This element represents the liabilities for earn out payments.

No definition available.

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

- Details

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Balance Type:	na
Period Type:	duration

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13476-108611

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(c))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph c

-Article 7

+ Details

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Article 5

-Subsection 19, 20, 22

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Details

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