Income Taxes - Reconciliation Of Changes In Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
Unrecognized tax benefits at January 1, | $ 6,684 | $ 4,648 |
Increases for positions taken during current period | 1,968 | 1,074 |
Increases for positions taken during prior periods | 481 | 62 |
Decreases for positions taken during prior periods | (1,476) | (438) |
Acquired unrecognized tax benefits | 0 | 1,374 |
Lapse of statute of limitations | 0 | (8) |
Settlements with taxing authorities | 0 | (28) |
Unrecognized tax benefits at December 31, | $ 7,657 | $ 6,684 |