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Concentration of Risk (Details) | 12 Months Ended
--- | ---
Dec. 31, 2017 Property hotel | Dec. 31, 2016 | Dec. 31, 2015
Concentration Risk [Line Items] |  |  |
Number of properties | 175 |  |
LCIF [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Lease term (in years) | 99 years |  |
Number of properties | 32 |  |
LCIF [Member] | Hotel [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Number of properties | hotel | 3 |  |
LCIF [Member] | Tenant Concentration Risk [Member] | SM Ascott LLC [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 0.00% | 11.20% | 14.70%
LCIF [Member] | Tenant Concentration Risk [Member] | Tribeca Ascott LLC [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 0.00% | 0.00% | 12.60%
LCIF [Member] | Tenant Concentration Risk [Member] | AL Stone Ground Tenant LLC [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 0.00% | 0.00% | 11.50%
LCIF [Member] | Tenant Concentration Risk [Member] | Preferred Freezer Services of Richland, LLC [Member] |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk percentage | 17.60% | 11.40% | 0.00%

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