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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2017
Future Minimum Lease Payments Under Non Cancelable Operating Leases | As of December 31, 2017, the Company has future minimum lease payments under non-cancelable operating leases with initial terms in excess of one year in relation to office premises and data center space consisting of the following:
|  | RMB |  |  | US$ |
2018 |  |  | 115,066 |  |  |  | 17,685 |
2019 |  |  | 92,916 |  |  |  | 14,281 |
2020 |  |  | 68,309 |  |  |  | 10,499 |
2021 |  |  | 55,430 |  |  |  | 8,519 |
2022 and thereafter |  |  | 184,925 |  |  |  | 28,423 |
|  |  | 516,646 |  |  |  | 79,407 |
Parent Company |
Future Minimum Lease Payments Under Non Cancelable Operating Leases | As of December 31, 2017, the Company has future minimum lease payments under non-cancelable operating leases with initial terms in excess of one year in relation to data center space consisting of the following:
|  | RMB |  |  | US$ |
2018 |  |  | 17,893 |  |  |  | 2,750 |
2019 |  |  | 18,340 |  |  |  | 2,819 |
2020 |  |  | 18,799 |  |  |  | 2,889 |
2021 |  |  | 19,268 |  |  |  | 2,961 |
2022 and thereafter |  |  | 65,964 |  |  |  | 10,138 |
|  |  | 140,264 |  |  |  | 21,557 |
Computer and Network Equipment and Construction in Progress |
Purchase Commitments | As of December 31, 2017, the Company has the following commitments to purchase certain computer and network equipment, land use right and construction in progress:
|  | RMB |  |  | US$ |
2018 |  |  | 255,059 |  |  |  | 39,202 |
2019 |  |  | 104,926 |  |  |  | 16,127 |
2020 |  |  | 203,555 |  |  |  | 31,286 |
2021 |  |  | 72,939 |  |  |  | 11,211 |
2022 and thereafter |  |  | 663,661 |  |  |  | 102,003 |
|  |  | 1,300,140 |  |  |  | 199,829 |
Bandwidth and Cabinet Capacity |
Purchase Commitments | As of December 31, 2017, the Company had outstanding purchase commitments in relation to bandwidth and cabinet capacity consisting of the following:
|  | RMB |  |  | US$ |
2018 |  |  | 469,344 |  |  |  | 72,137 |
2019 |  |  | 88,405 |  |  |  | 13,588 |
2020 |  |  | 59,172 |  |  |  | 9,095 |
2021 |  |  | 39,823 |  |  |  | 6,121 |
2022 and thereafter |  |  | 34,874 |  |  |  | 5,360 |
|  |  | 691,618 |  |  |  | 106,301 |

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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