Marketable Securities (Narrative) (Details) |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
|
| Minimum | ||
| Available-for-sale maturity period | 3 months | 3 months |
| Maximum | ||
| Available-for-sale maturity period | 12 months | 12 months |
| X | ||||||||||
- Definition Available For Sale Securities Maturity Period No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|