|
Property and Equipment - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Property Plant And Equipment [Line Items] | |||
| Depreciation and amortization | $ 1,327 | $ 1,207 | $ 1,303 |