Overview Additional Information (Details) $ in Thousands |
9 Months Ended |
|---|---|
|
Sep. 30, 2016
USD ($)
| |
| Accounting Changes and Error Corrections [Abstract] | |
| Cumulative effect of change in accounting principle | $ (473) |
| New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income | $ 3,212 |