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Profit Appropriation and Restricted Net Assets (Details) $ in Millions | 12 Months Ended |
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Dec. 31, 2016 USD ($) fund | Dec. 31, 2015 USD ($)
Profit Appropriation and Restricted Net Assets |  |
Minimum percentage of after-tax profit transferred by Chinese subsidiaries to general reserve fund | 10.00% |
Maximum percentage criteria for appropriation of after-tax profit of Chinese subsidiaries to general reserve fund | 50.00% |
Number of reserve funds except general reserve fund, appropriation at the entity's discretion | fund | 2 |
Minimum percentage of after-tax profit transferred by VIEs to statutory reserve fund | 10.00% |
Maximum percentage criteria for in appropriation of after-tax profit by VIEs to certain statutory reserve funds | 50.00% |
Reserves made to non-distributable reserve fund (in dollars) | $ 28.0 | $ 7.1
Net assets subject to restriction for the Group (in dollars) | $ 231.5 |
Percent of restricted net assets of total consolidated net assets | 31.00% |

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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Represents the amount transferred to certain statutory reserve funds as of balance sheet date. + References No definition available. + Details
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- Definition Represents the maximum percentage criteria expressed as a percentage of registered capital for the transfer of after-tax profit by subsidiaries in China to a general reserve fund. If the reserve fund exceeds the specified threshold of the registered capital, further appropriation is not required. + References No definition available. + Details
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- Definition Represents the maximum percentage criteria expressed as a percentage of registered capital for the transfer of after-tax profit by VIEs in China to statutory reserve funds. If the statutory reserve fund exceeds the specified threshold of the registered capital, further appropriation is not required. + References No definition available. + Details
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- Definition Represents the minimum percentage of after-tax profit transferred by Chinese subsidiaries to general reserve fund. + References No definition available. + Details
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- Definition Represents the minimum percentage of after-tax profit transferred by VIEs to statutory reserve fund. + References No definition available. + Details
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- Definition The percent of restricted net assets of the aggregate value of consolidated net assets. + References No definition available. + Details
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