v2.4.0.6

Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2011
Property and equipment and their related accumulated depreciation | Property and equipment and their related accumulated depreciation as of December 31, 2010 and 2011 are as follows:
|  | December 31, |
|  | 2010 |  |  | 2011 |
|  | (RMB) |  |  | (RMB) |  |  | (US$) |
Computer equipment |  |  | 276,843,360 |  |  |  | 320,195,440 |  |  |  | 50,873,932 |
Leasehold improvements |  |  | 927,186 |  |  |  | 2,159,574 |  |  |  | 343,121 |
Furniture and fixtures |  |  | 18,449,740 |  |  |  | 21,534,695 |  |  |  | 3,421,518 |
Motor vehicles |  |  | 4,669,096 |  |  |  | 4,669,096 |  |  |  | 741,845 |
Property |  |  | — |  |  |  | 211,497,878 |  |  |  | 33,603,629 |
|  |  | 300,889,382 |  |  |  | 560,056,683 |  |  |  | 88,984,045 |
Less: Accumulated depreciation |  |  | (157,603,079 | ) |  |  | (210,388,776 | ) |  |  | (33,427,410 | )
Property and equipment, net |  |  | 143,286,303 |  |  |  | 349,667,907 |  |  |  | 55,556,635 |

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- Definition Table of long-lived, physical assets and the related cumulative amount of depreciation. + References No definition available. + Details
Name: | ga_ScheduleOfPropertyPlantAndEquipmentAccumulatedDepreciationTableTextBlock
Namespace Prefix: | ga_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration