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VARIABLE INTEREST ENTITIES, CONTINGENT LIABILITIES AND CONSOLIDATED JOINT VENTURES - MCB Real Estate, LLC (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2016 USD ($) | Oct. 31, 2016 | Dec. 31, 2017 USD ($) item | Dec. 31, 2016 USD ($)
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Investment in unconsolidated joint ventures |  |  | $ 10,723,000 | $ 10,833,000
Purchase of non-controlling interest |  |  |  | (446,000)
Payment made to purchase partner's interest in consolidated joint venture |  |  |  | 446,000
Consolidated JV |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Number of joint ventures with controlling interest | item |  |  | 6 |
Other Consolidated JV |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Number of joint ventures with controlling interest | item |  |  | 2 |
Investment in consolidated joint ventures |  |  | $ 7,395,000 | 7,440,000
MCB Real Estate LLC And Its Affiliates |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Investment in unconsolidated joint ventures |  |  | 8,245,000 |
MCB Real Estate LLC And Its Affiliates | Consolidated JV |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Investment in unconsolidated joint ventures |  |  | $ 9,705,000 | 10,522,000
Number of joint ventures with controlling interest | item |  |  | 4 |
MCB Real Estate LLC And Its Affiliates | Consolidated JV | Deptford, New Jersey |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Purchase of Minority Interest Percentage | 5.00% | 5.00% |  |
Equity Method Investment Ownership Percentage Control Obtained | 100.00% |  |  |
Payment made to purchase partner's interest in consolidated joint venture | $ 446,000 |  |  |
Paid-in Capital |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Purchase of non-controlling interest |  |  |  | $ (436,000)
Paid-in Capital | MCB Real Estate LLC And Its Affiliates | Consolidated JV | Deptford, New Jersey |  |  |  |
Consolidated VIEs Carrying Amount of Assets and Liabilities |  |  |  |
Purchase of non-controlling interest | $ 436,000 |  |  |

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