Cost of Revenues - Schedule of Cost of Revenues (Detail) ¥ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2017
CNY (¥)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
CNY (¥)
|
Dec. 31, 2015
CNY (¥)
|
|
| Cost of Revenue [Abstract] | ||||
| Content-related costs | ¥ 390,885 | $ 60,078 | ¥ 269,313 | ¥ 184,635 |
| Depreciation and amortization | 41,579 | 6,391 | 42,570 | 43,160 |
| Bandwidth and internet data center | 89,889 | 13,816 | 51,766 | 38,893 |
| VAT and surcharges | 484,811 | 74,513 | 349,373 | 269,491 |
| Cost of sales, including tax | 351,521 | 54,028 | 1,680,143 | 132,942 |
| Cost of revenues | ¥ 1,358,685 | $ 208,826 | ¥ 2,393,165 | ¥ 669,121 |