|
Property and Equipment, Net Estimated Useful Lives (Detail)
|
9 Months Ended |
|---|---|
|
Sep. 30, 2012
|
|
|
Computer Equipment And Software | Minimum
|
|
| Property and equipment estimated useful lives | |
| Property and Equipment useful lives | 3 years |
|
Computer Equipment And Software | Maximum
|
|
| Property and equipment estimated useful lives | |
| Property and Equipment useful lives | 5 years |
|
Furniture and Fixtures | Minimum
|
|
| Property and equipment estimated useful lives | |
| Property and Equipment useful lives | 3 years |
|
Furniture and Fixtures | Maximum
|
|
| Property and equipment estimated useful lives | |
| Property and Equipment useful lives | 5 years |
|
Leasehold Improvements
|
|
| Property and equipment estimated useful lives | |
| Property and Equipment useful lives | Shorter of the lease term or estimated useful life |