Income Taxes - Reconciliation of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Income Tax Disclosure [Abstract] | |||
Unrecognized tax benefits, Beginning Balance | $ 2,136 | $ 2,012 | $ 1,844 |
Additions for tax positions of prior years | 36 | 6 | 414 |
Reductions for tax positions of prior years | (256) | ||
Additions for tax positions of current year | 46 | 121 | 19 |
Settlements | (303) | ||
Translation adjustments | (5) | (3) | (9) |
Unrecognized tax benefits, Ending Balance | $ 1,910 | $ 2,136 | $ 2,012 |