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Real Estate Investments - Development and Improvement Projects (Details) - USD ($) | 9 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Real estate investments |  |
Invested in projects | $ 24,608,000 |
Developments | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 25,717,000 | $ 13,939,000
Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 2,063,000 | 2,308,000
ALF | Developments | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 19,251,000 | 10,366,000
ALF | Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 1,131,000 | 951,000
SNF | Developments | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 6,466,000 | 3,573,000
SNF | Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | 500,000 | $ 1,357,000
Other | Improvements | Development and Improvement Commitments |  |
Real estate investments |  |
Invested in projects | $ 432,000 |

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- 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 No definition available. + Details
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- Details
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- Details
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