|
Estimated Useful Lives for Depreciation Computed Using Straight-line Method (Detail)
|
12 Months Ended |
|---|---|
|
Dec. 31, 2011
Year
|
|
|
Computer Equipment
|
|
| Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] | |
| Property, Plant and Equipment, Estimated Useful Lives | 5 |
|
Leasehold Improvements
|
|
| Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] | |
| Property, Plant and Equipment, Estimated Useful Lives | Over the shorter of the lease term or the estimated useful lives of the assets |
|
Furniture and Fixtures
|
|
| Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] | |
| Property, Plant and Equipment, Estimated Useful Lives | 5 |
|
Vehicles
|
|
| Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] | |
| Property, Plant and Equipment, Estimated Useful Lives | 5 |
|
Property
|
|
| Property, Plant and Equipment, Estimated Useful Lives, Lease Terms [Line Items] | |
| Property, Plant and Equipment, Estimated Useful Lives | 42 |