Acquisitions (Triad Holdings, Inc.) (Details) - USD ($) $ in Thousands |
Feb. 27, 2017 |
Mar. 31, 2017 |
|---|---|---|
| Business Acquisition [Line Items] | ||
| Business acquisitions holdback liability | $ 1,438 | |
| Triad Holdings, Inc. | ||
| Business Acquisition [Line Items] | ||
| Purchase price to acquire common stock | $ 9,600 | |
| Cash acquired in acquisition | $ 231 | |
| Purchase agreement, portion of purchase price held, period from acquisition date (in months) | 18 months |