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BONDS PAYABLE (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Less; deferred issuance expense, net | $ (17,843) |
Accrued Interest | 2,345 |
Nonconvertible Series A Bonds [Member] |  |
Notes Payable | 109,552 | $ 115,336
Nonconvertible Series B Bonds [Member] |  |
Notes Payable | 37,726 |
Bonds [Member] |  |
Less; deferred issuance expense, net | (7,210) | (5,916)
Accrued Interest | 3,829 | 3,629
Bond and bond interest payable | $ 143,897 | $ 113,049

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