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v3.22.1

Organization and nature of operations - Additional Information (Details) ¥ / shares in Units, $ in Thousands, ¥ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 ¥ / shares
Variable Interest Entity [Line Items] |  |  |  |  |
Number of year's power of attorney retained | 10 years | 10 years |  |  |
Percentage of pre-tax operating profit | 80.00% | 80.00% |  |  |
Service fees payable | $ | $ 239,601 |  | $ 186,683 | $ 181,267 |
Right-of-use assets | $ | 27 |  | 1,954 | $ 8,747 |
Lease liabilities | $ | $ 25 |  | $ 1,988 |  |
Giganology Shenzhen |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Termination of agreement, notice period | 30 days | 30 days |  |  |
Automated extended period of agreement | 10 years | 10 years |  |  |
Agreement expiration date | 2022 | 2022 |  |  |
Agreement between Giganology Shenzhen and Mr. Sean Shenglong Zou [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Additional interest-free loans | ¥ |  | ¥ 20 |  |  |
Increase in registered capital | ¥ |  | 30 |  |  |
Agreement between Giganology Shenzhen and Shareholders of Shenzhen Xunlei [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Interest-free loans | ¥ |  | ¥ 9 |  |  |
Call Option Agreement [Member] | Giganology Shenzhen |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Agreement expiration date | 2022 | 2022 |  |  |
Agreement expiration extended date | 2032 | 2032 |  |  |
Outstanding share, purchase price per share | ¥ / shares |  |  |  |  | ¥ 1
Exclusive Technology Support and Services Agreement [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage of pre-tax operating profit | 20.00% | 20.00% |  |  |
Exclusive Technology Support and Services Agreement [Member] | Giganology Shenzhen |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Term agreement expiration year | 2025 | 2025 |  |  |
Exclusive Technology Consulting and Training Agreement [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage of pre-tax operating profit | 20.00% | 20.00% |  |  |
Software and Proprietary Technology License Contract [Member] |  |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |  |
Percentage of pre-tax operating profit | 40.00% | 40.00% |  |  |

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