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Cash and Cash Equivalents - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013
Cash and Cash Equivalents [Abstract]
Cash and cash equivalents maturity period	3 months

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- Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

Represents the maximum period for maturity of cash and cash equivalents.

+ References

No definition available.

+ Details

Name:	xnet_CashAndCashEquivalentMaturityPeriod
Namespace Prefix:	xnet_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration