Income Taxes - Summary of Changes in Unrecognized Tax Benefit (Including Interest and Penalties) (Detail) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Income Tax Disclosure [Abstract] | |
| UTB, Beginning Balance | $ 227 |
| UTB, Lapse of the applicable statute of limitations | (59) |
| UTB, Ending Balance | 168 |
| Interest/Penalties, Beginning Balance | 18 |
| Interest/Penalties, Lapse of the applicable statute of limitations | (4) |
| Interest/Penalties, Ending Balance | 14 |
| Total, Beginning Balance | 245 |
| Total, Lapse of the applicable statute of limitations | (63) |
| Total, Ending Balance | $ 182 |