PERPETUAL CUMULATIVE CONVERTIBALE PREFERRED STOCK (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Preferred Units [Line Items] | |||
| Convertible Preferred Stock Shares Issued Upon Conversion | 1.9 | ||
| Preferred Stock to Cash Redemption Percentage | 100.00% | ||
| Loss on retirement of Preferred | $ 200 | ||
| Preferred Stock Carrying Value [Abstract] | |||
| Preferred Stock, Shares Issued | 0 | 11 | |
| Acquisition Price Paid Using Convertible Preferred Stock | $ 0 | $ 27,500 | |
| Payment of fees associated with the issuance of preferred stock | 0 | 0 | $ (220) |
| Accrued Preferred Stock Dividend | 0 | 452 | |
| Perpetual Convertible Preferred Stock, Value, Issued | $ 0 | $ 27,732 | |
| Maximum [Member] | |||
| Preferred Units [Line Items] | |||
| Preferred Stock Dividend Rate [Percentage] | 12.00% | ||
| Minimum [Member] | |||
| Preferred Units [Line Items] | |||
| Preferred Stock Dividend Rate [Percentage] | 6.00% | ||