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Income Taxes (Schedule of Movement of Valuation Allowance) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 CNY (¥)	Dec. 31, 2014 CNY (¥)	Dec. 31, 2013 CNY (¥)
Movement of valuation allowance
Balance as the beginning of the year	$ 23,282	¥ 150,817	¥ 46,121	¥ 34,315
Additions	51,265	332,086	¥ 112,421	¥ 11,806
Written off for expiration of net operating losses	$ (308)	¥ (1,998)
Utilization of previously unrecognized tax losses and un-deductible advertising expenses			¥ (7,725)
Balance as the end of the year	$ 74,239	¥ 480,905	¥ 150,817	¥ 46,121

X

- Definition

Amount of deferred tax assets additions for which it is more likely than not that a tax benefit will not be realized.

+ References

No definition available.

+ Details

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Namespace Prefix:	tour_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Amount of decrease in the valuation allowance for a Write off for expiration of net operating losses.

+ References

No definition available.

+ Details

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Namespace Prefix:	tour_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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X

- References

No definition available.

+ Details

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

X

- Definition

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318

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