Restructuring - Summary of Restructuring Reserve (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2016
USD ($)
| |
| Restructuring Reserve [Abstract] | |
| Restructuring expenses incurred during the period | $ 1,223 |
| Amounts paid during the period | (847) |
| Restructuring reserve ending balance | $ 376 |