Subsequent Event (Details) - TransWeb [Member] - USD ($) $ in Thousands |
Mar. 07, 2016 |
Apr. 21, 2012 |
|---|---|---|
| Gain Contingencies [Line Items] | ||
| Litigation settlement | $ 26,147 | |
| Settled Litigation [Member] | Subsequent Event [Member] | ||
| Gain Contingencies [Line Items] | ||
| Litigation settlement | $ 27,250 |