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Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Dec. 31, 2017
Disaggregation of Revenue [Line Items] |  |  |  |  |
Receivables | $ 683 |  | $ 683 |  | $ 515
Property management fees |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Income | 631 | $ 671 | 1,996 | $ 2,126 |
Asset management fees |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Income | 269 | 303 | 831 | 910 |
Leasing commissions and other fees |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Income | 65 | 44 | 138 | 176 |
Other fee income |  |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |  |
Income | $ 965 | $ 1,018 | $ 2,965 | $ 3,212 |

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