|
Reconciliation of Tax Contingencies (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Schedule of Unrecognized Tax Benefits [Line Items] | |||
| Gross tax contingencies, beginning balance | $ 534 | $ 250 | $ 305 |
| Gross increases to tax positions associated with prior periods | 28 | ||
| Gross increases to current period tax positions | 183 | 284 | |
| Gross decreases to tax positions associated with prior periods | (83) | ||
| Settlements | 0 | 0 | 0 |
| Lapse of statute of limitations | 0 | 0 | 0 |
| Gross tax contingencies, ending balance | $ 717 | $ 534 | $ 250 |