XML 81 R63.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of significant accounting policies - Schedule of Property and Equipment Estimated Useful Life (Detail) | 12 Months Ended
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Dec. 31, 2017
Servers and network equipment [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 5
Residual rate | 5.00%
Computer equipment [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 5
Residual rate | 5.00%
Furniture, fittings and office equipment [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 5
Residual rate | 5.00%
Motor vehicles [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | 5
Residual rate | 5.00%
Leasehold improvements [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful lives | shorter of lease term or 3 years
Residual rate | 0.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Stated as a percentage, the estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose) divided by its [historical] capitalized cost. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References No definition available. + Details
Name: | xnet_PropertyPlantAndEquipmentEstimatedUsefulLife
Namespace Prefix: | xnet_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |