SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Significant Accounting Policies [Line Items] | ||
| Concentration percentage | 85.00% | 96.00% |
| Investments, Fair Value Disclosure, Total | $ 672 | $ 0 |
| Counterparty One | ||
| Significant Accounting Policies [Line Items] | ||
| Concentration percentage | 45.00% | |
| Counterparty Two | ||
| Significant Accounting Policies [Line Items] | ||
| Concentration percentage | 36.00% | |
| Counterparty Three | ||
| Significant Accounting Policies [Line Items] | ||
| Concentration percentage | 19.00% | 15.00% |
| Number of counter parties | 3 | |