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VARIABLE INTEREST ENTITIES, CONTINGENT LIABILITIES AND CONSOLIDATED JOINT VENTURES - Consolidated Joint Ventures (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) item | Jun. 30, 2014
Consolidated JV |  |
Variable Interest Entities |  |
Number of joint ventures with controlling interest | item | 5 |
Industrial building, Joppa, Maryland |  |
Variable Interest Entities |  |
Ownership interest in consolidated joint venture of the company (as a percent) |  | 95.00%
Preferred interest | $ | $ 6,280,000 |
Accrued interest | $ | $ 455,000 |
Consolidated VIE entities | Consolidated JV |  |
Variable Interest Entities |  |
Number of joint ventures with controlling interest | item | 6 |
Minimum | Consolidated JV |  |
Variable Interest Entities |  |
Ownership interest in consolidated joint venture of the company (as a percent) | 85.00% |
Maximum | Consolidated JV |  |
Variable Interest Entities |  |
Ownership interest in consolidated joint venture of the company (as a percent) | 95.00% |

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