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Commitments and Contingencies - Narrative (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Jan. 01, 2019
Loss Contingencies [Line Items] |  |
Operating lease right-of-use asset | $ 2,890,000 |
Lease liabilities | 2,978,000 |
Accounting Standards Update 2016-02 |  |
Loss Contingencies [Line Items] |  |
Operating lease right-of-use asset |  | $ 2,890,000
Lease liabilities |  | $ 3,114,000
University House Communities Group, Inc |  |
Loss Contingencies [Line Items] |  |
Increase in accrued loss contingency relating to indemnity claims | 13,500 |
Loss contingency, range of possible loss, portion not accrued | $ 7,000,000 |

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