Additional information: condensed financial statements of the Company - Schedule of Condensed Statement of Cash Flows (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Cash flows from operating activities |
|
|
|
| Net cash generated from/(used in) operating activities |
$ 13,764
|
$ 48,202
|
$ 85,533
|
| Cash flows from investing activities |
|
|
|
| Net cash (used in) / generated from investing activities |
(54,982)
|
(70,546)
|
(78,352)
|
| Cash flows from financing activities |
|
|
|
| Net cash (used in) / generated from financing activities |
5,030
|
333,268
|
2,487
|
| Net (decrease) / increase in cash and cash equivalents |
(36,188)
|
310,924
|
9,668
|
| Cash and cash equivalents at beginning of year |
404,275
|
93,906
|
81,906
|
| Effect of exchange rates on cash and cash equivalents |
(6,310)
|
(555)
|
2,332
|
| Cash and cash equivalents at end of year |
361,777
|
404,275
|
93,906
|
| Xunlei Limited [Member] |
|
|
|
| Cash flows from operating activities |
|
|
|
| Net cash generated from/(used in) operating activities |
(26,069)
|
(41,485)
|
4,708
|
| Cash flows from investing activities |
|
|
|
| Net cash (used in) / generated from investing activities |
3,812
|
(10,333)
|
(3,843)
|
| Cash flows from financing activities |
|
|
|
| Net cash (used in) / generated from financing activities |
4,975
|
332,412
|
(2,242)
|
| Net (decrease) / increase in cash and cash equivalents |
(17,282)
|
280,594
|
(1,377)
|
| Cash and cash equivalents at beginning of year |
$ 309,457
|
$ 28,863
|
$ 30,240
|
| Effect of exchange rates on cash and cash equivalents |
|
|
|
| Cash and cash equivalents at end of year |
$ 292,175
|
$ 309,457
|
$ 28,863
|