|
Commitments Purchase obligations (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| Unrecorded Unconditional Purchase Obligation | $ 516 |
| Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months | $ 510 |