Finance Lease Obligation Liability (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Sale Leaseback Transaction [Line Items] | ||
| Sale Leaseback Transaction, Lease Terms | five-year | |
| Sale Leaseback Transaction, Deferred Gain, Gross | $ 1,100 | |
| Land and Building [Member] | ||
| Sale Leaseback Transaction [Line Items] | ||
| Sale Leaseback Transaction, Net Book Value | $ 4,900 | $ 4,740 |