Income Tax (Benefit) Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Income tax (benefit expense [Abstract] | ||
| Current income tax expense (benefit) | $ 6 | $ (1,484) |
| Deferred income tax expense | 87 | 263 |
| Income tax expense (benefit) | $ 93 | $ (1,221) |