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Purchase Commitments (Detail) - Dec. 31, 2017 - Purchase Commitments - Bandwidth and Cabinet Capacity ¥ in Thousands, $ in Thousands | USD ($) | CNY (¥)
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Long-term Purchase Commitment [Line Items] |  |
2018 | $ 72,137 | ¥ 469,344
2019 | 13,588 | 88,405
2020 | 9,095 | 59,172
2021 | 6,121 | 39,823
2022 and thereafter | 5,360 | 34,874
Purchase Obligation, Total | $ 106,301 | ¥ 691,618

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- Definition Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the fourth fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the next fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the second fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the third fiscal year following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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- Definition Minimum amount of purchase arrangement maturing in the fifth fiscal year and thereafter following the latest fiscal year. Includes, but not limited to, recorded and unrecorded purchase obligations, long-term purchase commitments, and short-term purchase commitments. + References No definition available. + Details
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